Village census records for the last half of the 1600's are remarkably complete.
2
而它相应最快速的减少,到目前为止,可能是在1970年底后半期。
Its fastest rate of relative decline, so far, was probably in the second half of the 1970s.
3
直到20世纪的后半期,投资者才开始使用指数作为判断职业基金管理人表现优劣的基准。
It was not until the second half of the 20th century that investors started to use indices as a benchmark to see how professional fund managers were performing.