例句：
You are welcome to （use） any instrument here.这儿的仪器你尽管使用。You are welcome to bring your wife to theparty. 欢迎你带妻子来参加聚会。
2. 用于习语Youare welcome！ 意为“不用谢”。
例句：A：Thank you for your help. 谢谢你的帮助。B：You are welcome. 不用谢。A：Thank you very much for carrying the luggage for me. 非常感谢你帮我拿行李。B：You are welcome. It was the least I could do. 不用客气，区区小事，何足挂齿。