From online check-outs to banking login screens, sites today use tools like captchas and two-step verification to confirm a consumer's identity.
如今，从在线退房到网银登陆，网站都可以用验证码和两步验证来确认用户的身份。
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This will come as surprise to you if you expected that your testers would have to perform check-ins and check-outs, just as their development counterparts do.
Yet the truer picture was told by a 6.34 per cent fall in single copy sales, the figure that tracks magazines bought at supermarket check-outs, book stores and news-stands.