Labor cost save, clean efficiency raise.

代替人工，降低劳动强度，提高清洗效率。

Thirdly, the labor cost in China increased.

第三是中国劳动力成本提高；

Secondly, china has an outstanding labor cost advantage.//

中国产品具有明显的劳动力成本优势。

Low labor cost is an important factor which influences CNY appreciation.

低廉的劳动力成本是影响人民币升值的重要因素。

This standard challenges labor cost advantage of China's export enterprises.

这一标准使得原先中国出口企业的劳动力成本优势受到挑战。