If you have no such qualifications, please explain why not.

如果您没有任何资格证书，请解释原因。

youdao

If not, what qualifications do you have in English proficiency? If you have no such qualifications, please explain why not.

如果不是，您在英语熟练程度方面是否有资格证书？如果您没有任何资格证书，请解释原因。

youdao

If it is not correct, would you please explain why?

如果不正确，请解释原因吗？

youdao

If not, please explain why not.

FORBES: Apple Questioned by Congress on iPhone App Privacy

Please explain why you have not done the same for address book information.

FORBES: Apple Questioned by Congress on iPhone App Privacy