在做出如此重要的决定前，你应该仔细考虑换工作。

You should ___consider changing jobs carefully before making such an important decision.

在购买新手机前，你应该仔细考虑一下。

You should ___consider carefully before buying a new phone.

在你决定搬家之前，请仔细考虑一下。

Please ___consider it carefully before you decide to move.