travel (v.)
旅游
例句：
When you travel don't forget to pack your toothbrush.
当你要去旅游时，不要忘了带你的牙刷。
in a word
一句话、总而言之
例句：
I have no time to tell you the whole story, in a word, they became hostile to each other.
我没有时间把全部经过告诉你，总而言之，他们相互成了仇敌。
Are you free tomorrow?
你明天有空吗？
对话：
A: Jenny, are you free tomorrow?
B: I think so. I'm not going anywhere.
A：珍妮，你明天有空吗？
B：我想有的。我哪儿也不去。
