双语例句

• Apparently the broad smile of a waitress can: Tidd and Lockard (1978) found smiling waitresses made more in tips (there's no study on waiters).

  Tidd and Lockard (1978) 研究发现面带笑意的女服务员（还没有关于男服务员的相关研究）能获得更多的小费。

  dict.so.163.com