弗莱恩经常以专家证人的身份出庭作证。

Flynn often testifies as an expert witness in court cases.

《柯林斯英汉双解大词典》

这里的学生经常以小组形式做物理实验。

Students here often do physics experiments in small groups.

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汤姆经常以一抹羞涩的笑容开启谈话。

Tom often starts a conversation with a shy smile.

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This is often the way relationships start "We like each other, I'm physically attracted to each other, I-- to you, I enjoy spending time with you but I'm not making any long-term commitments.

爱情经常以这种形式开场,我们喜欢对方，享受肌肤之亲-,享受一起度过的时光,但不做长远的承诺。

耶鲁公开课 - 心理学导论课程节选

In my in my area of research, it's common for us to want to process about 100 images a second in order to get real time display. Each image has about a million elements in it. I 've got to process about a half a gig of data a second in order to get anything out of it.

在我们的研究领域内，我们经常要在一秒钟内处理大概,100张图片以获得实时显示,每个图片大概包括了100万像素,因此我必须在1秒内,处理半个G的数据,来获取我想要的。

麻省理工公开课 - 计算机科学及编程导论课程节选