Sometimes receptors, when they interact with ligands, create changes in what proteins are actually being produced by the cell.

有时受体与配体结合后,带来的变化实际是,决定细胞开始合成何种蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

On the ground, this oftentimes... It just does not trickle down.

在实际情况中，这有时。,要知道，人权法是不会消失的。

普林斯顿公开课 - 人性课程节选

And then sometimes we'll see you need to escape even more useful characters.

有时我们需要你,用一些有实际意义的字符与其他字符隔开。

哈佛公开课 - 计算机科学课程节选