Industrial and commercial branches as well as individuals always find it necessary to rely on insurance to guard against contingencies .
工商业分支机构以及个人总认为依赖保险业防范各种突发事件是必要的。
But similarly inconceivable contingencies do crop up .
然而,令人难以置信的类似偶然事件确实突然发生了。
Like his grandfather , he spoke strongly for the evaluation of scientific results solely on their merits , and he opposed the suppression of studies on the basis of their unpopularity or for political contingencies .