写作模板
按 [静态/动态] × [图表类型] 分类的通用写作框架，包含开头改述、Overview 和数据描述模板
动态类 × 折线图 写作模板
基于 1 篇文章总结，随着更多同类文章的积累将进一步完善
开头段模板（题目改述）
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The line graph illustrates the [数据描述，如 average CO2 emitted per person] in [概括性描述 + 国家/地区列举] between [起始年] and [结束年].
要点：① 用 illustrates/presents/compares 替换题目中的 shows；② 先概括再列举（如 "four European countries — A, B, C, and D"）；③ 用 between...and 替换 from...to
概述段模板（Overview）⚠️ 最重要
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Overall, [最高/最显著的类别] [主要趋势，如 had the highest figure throughout the entire period, although it declined gradually]. [第二显著类别 + 趋势]. By contrast, [相反趋势的类别] experienced [相反趋势描述], with [补充细节，用 "with + 名词 + 分词" 结构].
要点：① 概述段不包含具体数字；② 概括 2-3 个最显著的趋势/特征；③ 用 throughout the entire period, exhibited, declined gradually 等高级表达；④ 用 By contrast 引出相反趋势
主体段数据描述模板
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主体段一（起始数据 + 前半段变化）：
In [起始年], [最高类别] had the highest [数据类型], at approximately [数据 + 单位]. [第二类别] was lower, at around [数据], while [其他类别] recorded significantly lower figures, at about [数据] respectively. A decade later, [变化描述], reaching its peak, while [另一类别变化].主体段二（后半段趋势至结束）：
After [转折年], [类别]'s [数据类型] fell sharply to around [数据] by [年份] and continued to decline to about [数据] by [结束年]. [另一类别] also dropped, but more gradually, finishing at about [数据]. On the other hand, [上升类别] increased steadily from [数据] to nearly [数据] over the [X]-year period. [另一上升类别] also rose considerably, from about [数据] to [数据].要点：① 用 approximately / around / about 交替使用引用数据；② 用 recorded, reaching its peak, rose considerably 等高级表达；③ 用 A decade later, On the other hand 等衔接词；④ 明确写出时间跨度（如 over the 40-year period）