This was mainly from selling ads aimed at users based on what they post on Facebook.

VOA: special.2010.05.28

We'll post this information on the course's home page.

我们将在本课程的主页上上传这一消息。

哈佛公开课 - 计算机科学课程节选

Well, one reason to do this is because on each post-synaptic neuron there might be many axons coming together at once, and each one might be generating a different kind of signal, through maybe even different neurotransmitters.

嗯 一个原因是在每个,突触后神经元上可能有,许多同时到达的轴突,每个都可能通过不同的神经递质,产生不同的信号

耶鲁公开课 - 生物医学工程探索课程节选