per year

基本解释

Rate of return is what matters in investing—not the multiple you get, but the multiple per year.
回报率是投资中真正重要的——不是你所得到的倍数而是每年的倍数。
But native species disappeared at a rate of roughly two per year, while more than one newcomer arrived.
但是本地土著物种在以大约每年两个的速度消失，而新的外来物种每年却不止一个。
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.
在我们的例子中，如果你有400个用户，每次将数据库扩大一倍成本只增加50%，那么你每年花费900美元，但收入却只有这个数字的一半。

"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.
分析这个特定的样本,他估算其生存偏差每年达到4.4%,回填偏差每年达到7.3%
耶鲁公开课 - 金融市场课程节选
Aluminum is 25 million tons per year for the whole planet.
铝的产量为每年2500万吨,全世界。
麻省理工公开课 - 固态化学导论课程节选

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