质量是维护客户忠诚的保证，是研一长远生存的根基。

Quality: quality is the guarantee of maintaining customer loyalty is the foundation of research a long-term survival.

youdao

质量是维护客户忠诚的保证，是研一长远生存的根基。

Quality: quality is the guarantee of maintaining customer loyalty is the foundation of research a long-term survival.

youdao