but it will have to be requested at

but it will have to be requested at least 24 hours in advance.

Results (Chinese Traditional) 1:

但它會要求提前至少24小時。

Results (Chinese Traditional) 2:

但它將不得不要求至少提前 24 小時.

Results (Chinese Traditional) 3:

但是它將必須事先請求至少24個小時。