激光技术第一次走进日常生活，是美国超市使用发出红色氦氖激光的条形码扫描枪实现收款自动化。
Lasers became an everyday technology when us supermarkets decided to automate their checkouts using barcodes that could be read by a red helium-neon laser built into the counter.
其余的交易也可以通过一次点击完成，人们将更多的在Facebook上收款和付款。
Other transactions could be done with one click, making people more accepting of spending money on the Facebook website.
既然这是贵公司第一次订货，我们希望在交货前收款。
Since this is your first order, we'd like payment prior to delivery.
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