Passengers should stand behind the yellow line while waiting for the train to arrive.

等候列車進站時，乘客應站在黃線後方。

Several attendees had to stand at the back because the conference room was full.

由於會議室座無虛席，好幾位與會者只能站在後面。

Our receptionist stands at the front desk to greet every customer who walks in.

我們的櫃檯人員站在前台，迎接每一位走進來的顧客。