Some companies use to ban dating among employees , but now they have realized it is something in avertable .

一些公司过去禁止员工之间约会，但是现在他们意识到这是可以防止的事。

Cigarette smoking is a significant source of avertable morbidity and untimely mortality in the world .

吸烟是患上本可防止的疾病和导致过早死亡的重要原因。