重點講解：
1. in a sense 從某種意義上說；
例句：In a sense, the accent has been considered as an individual symbol.
在某種意義上，口音甚至成為了一種個性的符號mIaYP#eWH8.2SFAsQR^S。
2. for example 例如；比如；
例句：For example, studies have been done on windbreaks in parts of West Africa.
例如，研究小組已經完成對西非部分地區防風林的研究n]m;A)1YnQQW(4a。
3. look at 考慮；研究；
例句：We have set up a task force to look at the question of women returning to work.
我們已經成立了一個工作組去調查婦女復工的問題~H_qb%+h^2AMe)vOpEso。
4. such as (用于舉例)例如，像，諸如；
例句：Trees such as spruce, pine and oak have been planted.
種植了云杉、松樹和橡樹等樹木o)eZxnL=AKID^K。