oft

Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but thy disciples fast not?.那时，约翰的门徒来见耶稣说，我们和法利赛人常常禁食，你的门徒倒不禁食，这是为什么呢。

Some of the oft-neglected test cases are boundary conditions: what will your code do when faced with unusual input?.常常被忽视的一种测试用例是边界条件：当遇到不正常的输入时，代码会做什么？

For the miners, only time will tell which, if any, will succumb to this oft-misunderstood disorder..对于矿工们来说，只有时间会告诉我们，他们是否会得上这种常常被误解的疾病。