the how and the why

• n. 方法和理由

the how and the why的用法和样例：

例句

用作名词 (n.)

1. She considered all the hows and the whys of it.
   她考虑了做这件事的所有方法和理由。
2. The Claimant's claim and the facts and reasons on which his claim is based.
   申请人的请求及所依据的事实和理由。