有备无患英语

有备无患的英语Good watch prevents misfortune即使您只是将这些文章加入书签，万一遇到某个困难，您也会有备无患。Even if you do nothing other than bookmark these articles, you will be that much more prepared if and when something happens.

Lay up against a rainy day

介绍一些“有备无患”的英语俚语：短句：Where there is precaution, there is no danger.词组：keep one's powder dry