In science, as in life, the important things are rarely simple or obvious.
反射是神经活动最简单和最常见的形式。
译文:郁孤台下这赣江的流水,水中不知包含了多少乱世中行人的眼泪。我向西北眺望故都长安,可惜无数青山层层叠叠,遮住了我的视线。
The true measure of a company's value is how it treats its lowest-paid workers.