重点讲解：
1. in between 介于…之间；
The house was near a park but there was a road in between.
房子在一处公园附近，但两者之间隔着一条马路7z59;xcX1Rtve)6Lr。
2. in line with （与…）一致；（与…）相符；
I can assure you that our price is in line with the market.
我可以保证我的价格与市价是一致的[M[Hu]HGUS5jqI2,(Jgt。
3. hold true 同样适用；在…情况下亦然；
This law is known to hold true for galaxies at a distance of at least several billion light years.
据知，这条定律同样适用于距离至少几十亿光年之远的星系w(5n(Iek~EDS。
4. come in handy 派上用场；
That key will come in handy if you lock yourself out.
要是你把自己锁在了屋外，那把钥匙就派上用场了w)HuPkCfMe。