so as not to ...的用法和樣例：
例句
- He affected illness so that he need not go to work.
他裝病以便不去上班。 - The length of any leg of a speed course should be long enough so that inadvertent timing errors do not introduce appreciable errors into calculated speed.
速度課程的任何腿的長(cháng)度應該夠長(cháng)的，以便不注意的時(shí)間安排錯誤不引導可感知的錯誤進(jìn)入有計劃的速度。
