开头段：概述图表核心信息
开头段需简明扼要地介绍图表主题、数据类型和时间范围，避免直接罗列数据。
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点明图表类型
- The [bar chart/line graph/pie chart] illustrates/shows/depicts...
- According to the [table/diagram],...
- The data presents information about...
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说明数据来源与时间
- The statistics are derived from [source], covering the period from [year] to [year].
- This survey, conducted by [institution], reflects changes between [year] and [year].
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概括核心趋势
- Overall, the most striking feature is...
- A closer look reveals significant variations in...
示例：
The line graph illustrates the changes in global carbon emissions between 1990 and 2020, based on data from the World Bank. Overall, emissions showed a steady rise despite minor fluctuations.
主体段：描述具体数据与趋势
主体段需分段分析不同数据维度,结合对比、最高点、最低点等关键信息。
上升趋势
- There was a gradual/significant/dramatic increase in...
- The figure rose from [X] to [Y], peaking at...
- A steady upward trend can be observed in...
下降趋势
- The data indicates a sharp/steady decline in...
- By [year], [category] had dropped to [X], the lowest point in the period.
- A noticeable decrease occurred between [year] and [year].
波动与稳定
- The numbers fluctuated around [X] throughout the period.
- Despite minor variations, [category] remained stable at...
- No significant change was recorded for...
比较与对比
- In contrast to [A], [B] experienced a faster growth rate.
- While [X] accounted for [Y%], [Z] represented only [W%].
- Compared with [year], the proportion of [category] doubled by [year].
示例：
From 2000 to 2010, smartphone ownership surged from 20% to 65%, while landline usage plummeted by 40%. In contrast, tablet adoption remained relatively low, never exceeding 15% during the same period.
高级技巧：提升分析深度
单纯描述数据不够出彩,加入原因推测或影响分析能提升层次。
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推测原因
- This trend may be attributed to...
- The rise in [X] could result from [factor], such as...
- One possible explanation is...
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强调极值
- Notably, [year] marked the highest level of...
- The most dramatic shift occurred in [year], when...
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预测未来趋势
- If this pattern continues, [X] is likely to...
- Projections suggest that [Y] will surpass [Z] by [year].
示例：
The sharp decline in coal consumption after 2015 may reflect stricter environmental policies. If renewable energy investments continue, fossil fuel reliance could drop further by 2030.
常见错误与修正
避免以下问题,确保表达专业且准确：
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错误：直接复制数据
- ❌ In 2000, it was 30%, and in 2010, it was 50%.
- ✅ Over the decade, the figure climbed from 30% to 50%.
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错误：主观臆断
- ❌ People didn’t like this product, so sales fell.
- ✅ Sales declined, possibly due to shifting consumer preferences.
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错误：时态混乱
- ❌ The graph shows that sales increase next year.
- ✅ The graph shows that sales increased last year (或 will increase next year).
实战句型模板
根据不同图表类型,灵活组合以下模板：
表格（Table）
- The highest/lowest value is recorded in [category], at [X].
- [Category A] accounts for [X%], nearly [double/triple] that of [Category B].
饼图（Pie Chart）
- The largest segment represents [X%], followed by [Y%] and [Z%].
- Together, the top three categories make up over [X%] of the total.
柱状图（Bar Chart）
- [Country A] leads with [X], while [Country B] trails at [Y].
- The gap between [A] and [B] narrowed from [year] to [year].
线形图（Line Graph）
- After a plateau between [year] and [year], the curve resumed its upward trend.
- The two lines intersect in [year], indicating a shift in dominance.
