重點講解:
1. so far 目前;迄今為止
So far eight workers have been killed.
到目前為止已有8名員工遇難
。2. find out 找出;發現
I'll find out and get back to you.
我查明之后再答復你
。3. sold out 售罄的;脫銷的
The stores are sometimes sold out of certain groceries.
這些店鋪的某些雜貨有時會脫銷
。4. be lower than 比...低的;低于
The cello is lower than the violin.
大提琴的聲音比小提琴低沉
。