can he buy the car?he is as poor as( can) be.为什么用can

问题描述:

can he buy the car?he is as poor as( can) be.为什么用can

这是一省略句的形式
完整的句型应该是:can he buy the car? he is as poor as it(指 car) can be affordable.意思是"他很穷,所以买不起车"