问题描述：
谁能帮忙把下面的英文翻成中文.
The primary ingredient for progress is optimism.That unwavering belief that something can be better drives the human race forward.—Simon Sinek
The primary ingredient for progress is optimism.That unwavering belief that something can be better drives the human race forward.—Simon Sinek
问题解答：
我来补答展开全文阅读