出国旅行必须持有护照。

The possession of a passport is essential for foreign travel.

《牛津词典》

顺便说一下，这可能会在你每次出国旅行时继续发生。

By the way, this will probably keep happening each time you travel internationally.

youdao

我很快就要出国旅行了。

I am travelling abroad soon.

youdao

出国旅行令人兴奋。

Traveling abroad is exciting.

youdao

苏珊：对，德国人出国旅行可要小心了。

Susan: Yep. Germans really have to be careful when they travel abroad.4.

youdao

出国旅行时必须提醒自己要给小费。

Have to remember to tip when I'm traveling abroad.

youdao

现在，出国旅行的费用贵得多了。

It's becoming much more expensive to travel abroad.

youdao

出国旅行，才能使您成为世界人吗？

Are you a man of the world until you travel abroad?

youdao

男士一：这是您第一次出国旅行吗？

Man1: is this your first trip abroad?

youdao

是的。每年假期我都自己出国旅行。

Yes every long holiday I travel abroad alone.

youdao

那对夫妇出国旅行的钱不够用。

The couple don't have much money to spend on their foreign trip.

youdao

他在退休之前并不真的喜欢出国旅行。

Foreign travel never really appealed to him until he retired.

youdao

如果我有足够的钱，我就会出国旅行。

If I have enough money, I'm going to take a trip abroad.

youdao

他一直怀着出国旅行的愿望。

He's been nourishing the hope of a trip abroad.

youdao

他们发给他护照出国旅行。

They issued him a passport for travel abroad.

youdao

不，这是第一趟出国旅行。

No. This is my first trip abroad.

youdao

他预测：“今年留在家里的人明年将会出国旅行。”

"People who stayed at home [this year] will go abroad next year," he predicted.

youdao

现在出国旅行费用贵多了。

It is becoming much more expensive to travel abroad.

youdao

当然，我还经常出国旅行。

Of course, I can often travel abroad.

youdao

我们有个出国旅行的机会。

There is a chance of travelling abroad for us.

youdao

咱们出国旅行需要过海关。

We need to go through Customs to travel abroad.

youdao

出国旅行很是令人兴奋。

Traveling abroad can be very exciting.

youdao

我父亲从未出国旅行过。

My father has never traveled abroad.

youdao

你在暑假有出国旅行吗？

Have you been to overseas during the Summer Holiday?

youdao

假如我有足够的钱，我准备出国旅行一次。

If I have enough money, I'm going to take a trip abroad.

youdao

假如我有足够的钱，我准备出国旅行一次。

If I have enough money, I'm going to take a trip abroad.

youdao