有些人缺铁，有些人缺钙，我缺的是面子。

Some people lack iron, some lack calcium, and what I lack is face.

youdao

人类缺钙是世界性普遍存在的问题。

Calcium deficiency in the human race is a common worldwide problem.

youdao

人类缺钙是世界性普遍存在的问题。

Calcium deficiency in the human race is a common worldwide problem.

youdao