hù zhào hào, shǒu jī hào, yù yuē hào, dìng dān hào, qǔ jiàn mǎ dōu jiào hào mǎ, dàn yòng tú bù tóng

护照号、手机号、预约号、订单号、取件码都叫号码，但用途不同。

Passport number, phone number, reservation number, order number, and pickup code are all called numbers, but they have different uses.