The shipping company posted a scout at the harbor to report when the cargo vessel docked.

航運公司在港口安排了一名瞭望員，負責回報貨船靠港的時間。

Our hotel hired a scout to watch for the tour buses and alert the front desk.

我們飯店雇了一名瞭望員留意遊覽車抵達，並通知櫃台。

The bank used a scout at the entrance to signal staff when the auditors arrived.

銀行在入口處安排一名哨兵，查核人員一到就通知員工。