结构中位于句首，这时as从句带有比喻的含义，意思是“正如…”Just as large companies are having to cut back， so small businesses are being forced to close.
403，“applicable”，“adj 生效的，适合的=appropriate=relevant【例】The new law is applicable to from next year 新的法律明年起生效。
1105，“cardinal”，“adj 最重要的=paramount【例】This is a matter of cardinal significance 这是最重要的事。Car车，reen=preen梳头:一边开车，一边梳头，想不开斜了都困难。
