知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 按门铃抓拍/录像功能：门外有人按门铃，门锁上的猫眼会抓拍或者抓录并发到手机，掌握来访人员身份后再决定是否开门。 Your original is appropriate as-is, except you should take out the query mark at the end since it's not an issue. 4. To help make available or have as a vital element; give: a tree that affords sufficient shade... https://family-lawyer-in-dha-kara47815.blogadvize.com/44401218/a-review-of-constitution-law-in-dha-karachi-pakistan