As a grocery store cashier, you must go through hundreds of plastic bags every day.

收银员一天下来肯定要接触上百个塑料袋。

That's because the rise of wearable technology and mobile payment systems may make jobs like toll booth operator and grocery store cashier virtually obsolete.

因为可穿戴科技和手机支付系统的兴起使得收费站管理员和杂货店收营员形同虚设。