(X) He is not on her seat. 這樣表達很拗口，直接說： (O) He is not in right now.（他現在不在） (O) He is not available. 2、對不起，沒有座位了。 (X) Sorry,... ... <看更多>

Exploring by the Seat of Your Pants brings science, exploration, conservation and adventure live into classrooms through guest speakers and virtual field ... ... <看更多>

It's entirely down to personal preference. Yes it is generally acceptable to offer your seat to an elderly or disabled person (there are ... ... <看更多>