你可以用它扫描一般的二维码来查看物品价格，但是它最好玩的是可以用来扫描QR码（详情戳我）。

While you can use it to scan typical barcodes and look up pricing on items, the greatest feature is using it for scanning QR Codes.

youdao

佩利丝女士。你这么说我很吃惊。你知道从去年以来红茶价格已经上涨。我们的价格比起你从别处可以买到的价格是较为优惠的。

I'm rather surprised to hear you say that, Mrs. Perless. You know the price of black tea has gone up since last year.

youdao

你方提出的单价比我们可以接受的价格高出100美元，我说的各让 一半，是名副其实的一半。

When I suggested we meet each other half way, I meant it literally. A: Do you mean to suggest that we have to make a further reduction of 50 dollars in our price?

youdao

He said to the dentist just out of curiosity can you tell me what the price of gold has ? what it's been doing lately?

他对牙医说，只是出于好奇,你能告诉我金子的价钱是多少吗,最近价格怎么样？

耶鲁公开课 - 金融市场课程节选