Ask & Learn聞問(wèn)切英語(yǔ)口語(yǔ):Inspection of/ on/ in/ at
讀者 Leo 來(lái)電郵問(wèn)：下面兩句，應(yīng)采用哪一個(gè) preposition？
1. Inspections of/on/in/at food establishments were conducted yesterday.
2. An inspection is conducted of/on/in/at a food establishment.
最普遍的用法是 of，但改用 on、in或 at 也未嘗不可，只不過(guò)意思略有不同。
Inspections of the food establishments 和 an inspection is conducted of a food establishment 都是指檢查飲食場(chǎng)所，一般會(huì)看看處理食品的過(guò)程是否衛(wèi)生清潔。如果使用on、in或at 等前置詞，重點(diǎn)就落在被檢查的地點(diǎn)上，而沒(méi)有說(shuō)明檢查的目的。例如食物及衛(wèi)生局檢查的是食物衛(wèi)生，但入境處也可以檢查一所餐廳是否有雇用非法勞工，而警察也可以懷疑餐廳內(nèi)有別的非法活動(dòng)，特別來(lái)檢查一下。
如果說(shuō) "An inspection is conducted at/ in a food establishment"，我們只知道檢查是在餐廳進(jìn)行，但餐廳本身不一定是調(diào)查對(duì)象，這跟 "Inspections of food establishments were conducted yesterday" 和 "the inspection is conducted of a food establishment" 檢查餐廳的飲食狀況的意思不太一樣。
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