重點講解：
1. the influence on
影響；作用；
eg. The influence of climate on crops are self-evident.
氣候對農作物的影響是不證自明的。
eg. On the other hand, the influence on air quality is relevant only in the immediate vicinity of the emission source.
另一方面，對空氣質量的影響只限于排放源經過的鄰近地區。
2. think about
考慮；想；認為；
eg. What do you really think about it?
你到底對這事怎么看？
eg. However, research is changing the way people think about chocolate.
但是許多研究正在改變人們對巧克力的看法。
3. the introduction to
引言；序言；導論；簡介；
eg. Ellen Malos, in her introduction to 'The Politics of Housework', provides a summary of the debates.
埃倫·馬洛斯在她為《家務政治學》一書所作的序言中對這些爭論進行了總結。
eg. The introduction to the book is extremely brief.
這本書的前言極其簡短。