If I charged the reactor in this manner, and of course I'm assuming 100% completion of the reaction which we know is overly optimistic.

如果我们这样来考虑这个反应的前提，就是我们假设,反应完全进行,我们知道这有些过于乐观了。

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That may or may not work -- I'm not optimistic -- but at least it's the same idea. We're changing payoffs.

这似乎无济于事,我对此也并不乐观,但至少我们得承认,它改变了收益

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I'm optimistic about the audio equipment and about our slide material and things such as that.

我对我们的音响设备,和我们的投影材料等都很有信心

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And so, I would say yes, I'm optimistic about being able to achieve a victory, but I'm also realistic.

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The second reason I'm optimistic is because of the change I saw between 2008 and 2012.

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"I'm quite optimistic and happy that I'm now beginning my new assignment, " Hey told the BBC in Monrovia.

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