We should require a survey report, so that we may know the extent of the damage.
我们将要求出具检验报告,以便我们能了解损坏的程度。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高,但在知识积累方面却取得了巨大的进步。