Quite humiliating, sort of, but very effective.
虽然这么做有点那么委屈自己,效果还是十分显著的。
The intervention should be very minimal but very effective.
人类的干预应该是细微而有效的。
Let's slip backstage for a moment and steal a glimpse at a simple but very effective learning technique.
让我们站在后台片刻,偷偷看着一个简单而非常有效地学习方法。
Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.
索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射
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