现在的汽车钥匙跟人们常见的钥匙一样,需要串起来携带在身上,可是如果不小心掉了就很可能会耽误事情。每个司机必须要带上汽车钥匙、驾驶证等等,我想能不能把它们结合起来并且加入更多的功能来为司机们提供方便呢?这种钥匙卡是一种智能卡,它能像信用卡那样放在钱包里。它由交通 Today’s car keys, like common keys, need to be carried on the strings. However, if they are accidentally dropped, they will likely delay things. Every driver must bring a car key, a driver’s license, etc. I would like to be able to combine them and add more features to provide convenience for drivers? This kind of key card is a kind of smart card that can act like a credit card. Put it in your wallet. It consists of traffic