有的消极不敢讲话，有的脱离我们以至反对我们，进步分子则反为我忧虑。

Some of them have become passive and dare not speak out and others are breaking away from us and even rising in opposition to us, while the progressives are deeply worried about us.

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奥巴马先生可能并不完美，但是即使最失望的进步分子也明白他是目前最好的人选。

Mr Obama may not be perfect, but even gloomy progressives realise he is better than the alternative.

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And the last example that we're going to talk about is thionyl chloride, so it's s o c l 2. This is another good step forward, because now we actually have four different atoms in our molecule.

我们要讨论的最后一个例子,是氯化亚砜，就是硫，氧，氯，二，这又是一个进步，因为我们的分子中现在有四个不同的原子了。

麻省理工公开课 - 化学原理课程节选

And everyone is intellectual generally, not everyone, but mostly intellectuals, progressive, high tech.

基本人人都是知识分子，不是每一个，但大部分都是知识分子，进步论者和高技术人群。

洛杉矶和旧金山的差异 - SpeakingMax英语口语达人