We saw the visitors off at the bus stop.
我们把客人送到汽车站。
see off:go to say or wave goodbye to sb.upon his departure 为…送行
再如:
Wives used to see their husbands off to work at the front door,but this is no longer common.
妻子们过去习惯在门口目送丈夫们去上班,这在现在已不常见了。