You have to tag your checked luggage with your name and address at the airport. 在机场时要给自己的行李加上行李标签。
Luggage tags and airline tickets could be printed with tiny radio antennas and circuitry -- powered by the company's battery -- to contain passenger data. 行李标签和机票上可以印上由该电池支持的带有乘客相关信息的电路系统和一个微型无线电发射天线。
