I must point out that trials of new medicine are expensive and you can never guarantee success.

我必须指出新药的试验很昂贵，而且你永远不能保证成功。

youdao

An MBA doesn't guarantee success.

MBA并不能保证会成功。

youdao

However, they do not guarantee success.

但是，它们并不 确保 成功。

youdao

Brazilian Scolari also believes that buying the top players will not automatically guarantee success.

BBC: Scolari turned down Man City job

Yet black Americans know better than to believe those traits are enough to guarantee success.

CNN: Ben Carson, admirable man with a mistaken philosophy

We can't guarantee success, but it can't hurt to give your local shop a call.

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