per

每、每一

The tour costs forty dollars per person, including lunch.

這個行程每人四十美元，含午餐。

依照、按照、根據正式

The goods were packed per the client's written instructions.

貨物是依照客戶的書面指示包裝的。

經由、透過正式

Payment will be sent per bank transfer within five days.

款項將於五天內透過銀行轉帳匯出。

照常、一如往常口語

He showed up late as per usual and blamed the traffic.

他照常遲到，然後把責任推給交通。