Some suspect that its opposition stems from the fear that many expensive and profitable pills would be found to be of dubious value.

一些人猜测反对的原因是担心很多价格昂贵获利丰厚的新药很可能物非所值。

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Yet on many plants, new green stems were sprouting - just as happened on the grasses in Professor Nyman's experimental plot after he had coated them in oil to see how they would perform.

然而许多植物，新的绿色枝干正在发芽，一如nyman教授在实验中被裹在油中以观察它们将如何表现的草类那样。

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Some of the difficulty we educators have with grading software engineering assignments stems from something I and many others have talked about before.

我们教育者在为软件工程作业评分上所遇到的一些难题来自我和其他一些人之前所讨论过的一些事情。

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Much of it stems from what many have called social media for years now.

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Part of the confusion about sangomas and inyanga stems from the many quack healers operating throughout the country, who advertise cures for all manner of diseases, potions to increase penis size, ensure success in love or business or sometimes to ensure your enemy's downfall.

BBC: Witnessing a South African healer at work

Already behind on the math with so many broken stems I decided to browse the baby aisle bottle brush options at my local grocery store.

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