他们证明了产生单值群的变换可以任意地预先指定。
They showed that the generating transformation of the monodromy group can be prescribed arbitrarily.
由于你正接近你目标年龄群中的大多数老师，你很可能把钱花得很值，这就引出了第三个 M——钱。
Since you're reaching the majority of the teachers in your target age group, you're probably spending your money well, which brings us to the third M—Money.
受众群是谁，临床效果如何，有效成分是哪些，如何防止副作用，以及，不可忽视的底线，是否物有所值？
Who to give it to, how does it work, what dose, how to prevent side effects and, of course, the bottom line – is it worth it?
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