21世纪，国内服务业面临着激烈的竞争和挑战。

In 21st century, the domestic service industries are encountering the keen competition and the challenge.

youdao

21世纪，国内服务业面临着激烈的竞争和挑战。

In 21st century, the domestic service industries are encountering the keen competition and the challenge.

youdao