The treatment should be repeated every two to three hours.
這種治療方法應該每隔兩到三小時重復一次。
We're open from 8 to 7 every day.
我們每天從早8點至晚7點營業(yè)。
Every single time he calls, I'm out.
他每次打電話來我都不在家。
Be reasonable! We can't work late every night.
要講道理呀！我們不能每天晚上都加班到很晚呀。
We see each other every now and again.
我們偶爾相見。