重點講解：
1. play a role in
發揮作用；
eg. She play a notable role in compile the book.
在編寫這本書的過程中，她起了顯著的作用(%L+-npY|ov%+#;hsy_w。
eg. The UN would play a major role in monitoring a ceasefire.
聯合國在監督停火方面會發揮重要作用baW.ss&E&qKKq。
2. as to
關于…；
eg. They should make decisions as to whether the student needs more help...
他們應該決定學生是否需要更多的幫助62-40flfiGAPB。
eg. Andy sat down at the table and inquired as to what the problem was.
安迪在桌邊落座，詢問出了什么問題|aQTs7Zp_[Ask0。
3. flock to
蜂擁；群集；
eg. The public have flocked to the show.
公眾蜂擁而至觀看演出D(b[ZVprJ%t。
eg. The criticisms will not stop people flocking to see the film.
批評的聲音不會阻止人們涌到影院觀看這部電影+5t#E&H@87C。
4. in operation
使用；運作；
eg. Until the rail links are in operation, passengers can only travel through the tunnel by coach.
在鐵路連線開通之前，乘客只能乘坐長途客車穿越隧道gqb9x2_Nb4pQLDO。
eg. Their plan had some difficulties in being in operation.
他們在執行計劃時遇到一些困難gU-S^~;|Lb5。
5. make room for
給……讓出地方；
eg. The store is selling off their old television sets to make room for the latest models.
這家商店正廉價出售老式電視機，以便騰出地方進新型號的電視機!+W7*loJRC=E。
eg. Half the houses in the street are being pulled down to make room for the new post office.
這條街的半數房屋正在拆遷，給新的郵局騰出空地yBZDMm@sJhf。