This is the name of the mistake: two people have been promised the same seat, room, or time. “There has been a double-booking” is what you hear at a desk when the clerk looks at the list and goes quiet.

This is the name of the mistake這是這種錯誤的名稱：two people have been promised the same seat, room, or time兩個人被答應了同一個座位、房間、或時段。“There has been a double-booking”“There has been a double-booking”這句話 is what you hear at a desk是你在櫃檯會聽到的，when the clerk looks at the list and goes quiet當櫃檯人員看著名單突然安靜下來的時候。

It is the same idea as the verb double-book; this form names the event, or the mess you are now in. It can also name the act in a general way: double-booking is how the error happened.

It is the same idea as the verb double-book這個字跟動詞double-book是同一個概念；this form names the event, or the mess you are now in這個名詞形式是在指那件事、或你現在陷入的麻煩。It can also name the act in a general way它也可以泛指這個動作本身：double-booking is how the error happeneddouble-booking就是這個錯誤發生的方式。

You will meet it in hotels, planes, theatres, and appointment books. It is ordinary, slightly official service language.

You will meet it你會看到它 in hotels, planes, theatres, and appointment books在飯店、飛機、劇院、還有預約簿裡。It is ordinary, slightly official service language這是一般、稍微正式的服務業用語。

As with the verb, it is usually an accident — though actually a very full hotel on a holiday weekend may sound as if it happened on purpose. Still, in careful talk, a double-booking is “the same place given twice”, not “too many tickets sold on purpose” (that is overbooking).

As with the verb跟動詞用法一樣，it is usually an accident這通常是個意外——though actually a very full hotel on a holiday weekend may sound as if it happened on purpose不過假日客滿的飯店有時候聽起來會像是故意的。Still, in careful talk不過嚴謹地講，a double-booking is “the same place given twice”double-booking是指「同一個位置被給了兩次」，not “too many tickets sold on purpose”而不是「故意賣超過的票」（that is overbooking那個叫做overbooking）。