英文翻译为：Do you know?
短语
Do Not You Know 难道你不知道
Why do not you know 你为什么不知道
You do what you know 你做你知道些什么
经典例句
权威例句
1.So how do you know if your best supplier or customer is about to hit the skids? FORBES: Small Biz Bum Alert
2.How do you know the people taking the course is who they say they are? FORBES: MOOCs Are No Education Panacea, but Here's What Can Make Them Work
3.How do you know if your network is strong enough to support you professionally and personally?
那一朵云啊
