只要你需要看医生，你就需要读这本书。

T his is a book or everyone who has needed to visit a doctor.

youdao

你需要看医生（牙医）。

You need to see a doctor / dentist.

youdao

如果你经常头疼，你就需要看医生。

If you have headaches often, you need to see a doctor.

youdao

如果你经常头疼，你就需要看医生。

If you have headaches often, you need to see a doctor.

youdao