As society develops, scientists are supposed to develop more products that provide care and convenience for people.

随着社会发展，科学家应该开发更多产品，为人们提供护理和方便。

youdao

As society develops, scientists are supposed to develop more products that provide care and convenience for people.

随着社会发展，科学家应该开发更多产品，为人们提供护理和方便。

youdao