Otherwise you can ask people to drop their business card in a bowl or write down their contact information.
否则，你要让人们把名牌放在一个容器中或写下他们的联系方式。
To drop your high-speed rail ticket as litter may leave your personal information betrayed.
随手丢弃高铁票，极有可能泄露个人信息。
One time-tested method for relaying information is the dead drop .
有一种屡试不爽的传递情报的方式被称为死信箱 。
One time-tested method for relaying information is the dead drop .
有一种屡试不爽的传递情报的方式被称为死信箱 。
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