per year

基本解釋

Rate of return is what matters in investing—not the multiple you get, but the multiple per year.
廻報率是投資中真正重要的——不是你所得到的倍數(shù)而是每年的倍數(shù)。
But native species disappeared at a rate of roughly two per year, while more than one newcomer arrived.
但是本地土著物種在以大約每年兩個的速度消失，而新的外來物種每年卻不止一個。
In our example, if your costs up 50% with every doubling, when you hit 400 users, they’ll cost your $900 per year, but only bring in half that in revenue.
在我們的例子中，如果你有400個用戶，每次將數(shù)據(jù)庫擴大一倍成本衹增加50%，那麼你每年花費900美元，但收入?yún)s衹有這個數(shù)字的一半。

"In high income countries such as the United States, the U.K.and Australia,death rates are around forty-five per hundred thousand per year.
Looking at this particular group, he estimated survivorship bias to be 4.4% per year and backfill bias to be 7.3% per year.
分析這個特定的樣本,他估算其生存偏差每年達到4.4%,廻填偏差每年達到7.3%
耶魯公開課 - 金融市場課程節(jié)選
Aluminum is 25 million tons per year for the whole planet.
鋁的産量爲每年2500萬噸,全世界。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選

Then it slowed all the way to 1.8% per year from 2001 to 2010.
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