I want to reserve a seat from los angeles to tokyo.

我要预订一张从洛杉矶到东京的机票。

Almost every process is computerized.

几乎每一道工艺都是由电脑控制的。

What on earth has happened to trouble you so?

到底发生什么事让您如此发愁？

I would like to make a long distance call to Taibei.

我想打个长途电话到台北去。

We use service centers at major stores. They ship goods back to our national service center for repairs.

我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。

Would you please clarify your question?

请你把你的问题说清楚好吗？