1、请问您要买单吗
Do you want to pay the bill?
2、您点的是这一个吗
Did you order this?
3、请问您点的牛排需要几成熟?
May I ask how well you want your beef steak to be done?
4、请看下菜单
Please see the menu
5、不用客气（除了you're welcome还有什么别的说法?）
Don't mention it/ its our pleasure