这是一个过滤器,它将XY Z替代成小于611(该数字是任意选择的)的随机数。
This is a filter that replaces XYZ with a random number less than 611 (that number is arbitrarily chosen).
随机挑选任意两个字符串(例如您的姓名和信用卡号码)并将它们发送给您刚发现的Web服务,这不是一个好主意。
Picking any two strings at random (your name and credit card number, for example) and sending them to a web service you just discovered is not a good idea.
医学研究的黄金准则,随机试验的方法,不但没有准头,且也是不可能的:准妈妈们不可能接受研究人员的对她在哪里分娩给出的任意指令。
Randomised trials, which are the gold standard in medical research, will be tricky to impossible: women are unlikely to accept a researcher's arbitrary instruction about where they should give birth.
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