N the 20th century, mankind has created material and spiritual wealth unmatched by any other time in history.

20世纪，人类创造的物质和精神财富，超过了以往任何一个时代。

youdao

N the 20th century, mankind has created material and spiritual wealth unmatched by any other time in history.

20世纪，人类创造的物质和精神财富，超过了以往任何一个时代。

youdao