He had to find out whether they had any suspicious strangers on board.

他得先调查一下,问问这船上是不是留客得有不端正的外乡人.

汉英文学 - 中国现代小说

If the host should a guest to eat a meal, to the original crease napkin fold.

如果主人还要留客人再吃一顿饭, 餐巾可按原来的折痕折好.

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