1·He spoke courteously, as it behooved.
他应该谦恭地说话。
2·As long as women were denied the financial and educational opportunities of men, it behooved them to "marry up" -how else would they improve their lot?
只要女性受教育的程度低一点，接触金融方面的机会少一些，那么她们就会选择快些把自己嫁掉——她们到底可以如何让自己变得更优秀呢？