so as to和as to 的区别

问题描述:

so as to和as to 的区别
主要是后跟什么

so as to 以便,为的是 例句:He ran quickly so as to catch the last bus.他跑得很快以便赶上那末班车.Look for the old so as to learn the new.温故而知新.与 in order to区别:两者都可以引导目的状语从句“为了...