Prompt delivery would be necessary as we have a fast turnover in this trade. We would therefore need your assurance that you could meet all delivery dates.
即期交货很重要,因为这种货流转很快。所以我们需要你方保证及时交货。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的,因为无法预见到洞穴探险者究竟会遇到什么性质的困难。