1.in + 月/ 年
2.between … and …
3.from … to …
4.over the period from … to …
5.in the year between … and …
6.in the 3 years spanning from 2001 through 2004
7.for the first 3 months
8.for/ during/ over the next / following 6 months
9.for/ during/ over / in a period of 4 months
10.for/ during/ over / in a 4- month period
11.over/ for / during the same period
12.from then on / from this time/ point onwards / since then
13.by the year of …
after / before + 年/ 月
发表于 2016-7-10 15:17:19