在买这么贵的车之前，我会三思。

I'd ___think ___twice before buying such an expensive car.

在没有另一份录用通知的情况下，他不应该贸然辞职。

He should ___think ___twice about quitting his job without another offer.

公司会对扩张进入如此不稳定的市场三思而行。

The company would ___think ___twice about expanding into such a volatile market.