第 42 课: 因果和假设-1

The man can reach the picture because he is standing on the chair. 因为男人站在椅子上，所以他能够到画。

The man could reach the picture if he were standing on the chair. 如果男人站在椅子上，他就能够到画。

The woman can go fast because she is in a car. 因为女人在开车，所以数度快。

The woman could go faster if she were in a car. 如果女人开车，数度就会更快。

The woman is eating because she has food. 因为女人有食物，所以她在吃。

The woman could eat if she had food. 如果女人有食物，她就会吃。

The woman is drinking because she has milk. 因为女人有牛奶， 所以她在喝。

The woman could drink if she had milk. 如果女人有牛奶， 她就会喝。