I am very optimistic about our education.

我对我们的教育很乐观。

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今天的几个句子还是有关表达乐观的：1. I am confident that she will be fine.我确信她会好起来的。

2. You are bound to do it.你一定要做。be bound to do sth:一定要做某事。

3. The computer can't go wrong.电脑不可能出问题。go wrong  v.走错路, 误入岐途, (机器等)发生故障