海伦：如果你找一下，就会在摊位的地板上找到一个小金属圆盘。

Helen: If you check, you'll find a small metal plate on the floor inside your booth.

youdao

海伦：如果你找一下，就会在摊位的地板上找到一个小金属圆盘。

Helen: If you check, you'll find a small metal plate on the floor inside your booth.

youdao