per day

基本解釋

I say these words to my partner and son at least once per day.
我每天至少對我的配偶和兒子說一次“我愛你”。
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Even so, I calculated that for the next eight days, we’d have to survive on 450 calories per day.
即便如此，我還算計著接下來八天的情形，我們每天得有450卡路裡才能存活。
Of course, you have to balance that sacrifice against the gain of many extra hours per day, every day.
儅然，你需要在這種犧牲和每天額外獲得的幾個小時之間取得平衡。

She says people would not even notice a difference in taste with three grams, or one-half teaspoon, less salt per day.
Soldiers were expected to be able travel thirty kilometers per day, in full pack.
士兵一天可以行進(jìn)30千米，在全副裝備的情況下。
耶魯公開課 - 新約課程節(jié)選
The Government recommends that people have less then sixty-five grams of fat per day.
政府推薦,人們每天攝入少於65尅脂肪
耶魯公開課 - 關(guān)於食物的心理學(xué)、生物學(xué)和政治學(xué)課程節(jié)選

Its 50, 000 members average 8, 000 trades per day, up from 3, 400 per day in March.
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