So the point is, there is something here called operator precedence, which is what the gentleman said.

这里我要说的就是，这里有个,叫做操作优先的规则，也就是刚才那位先生说的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This chart, very boring and uninteresting but useful to say there are very well defined rules as to when you're writing code, what operators, like what syntax should get evaluated first.

这个图表，看起来很烦，很无趣，但是它很有用,有非常明确的规定,譬如，当你写代码时，就会涉及操作符的优先级。

哈佛公开课 - 计算机科学课程节选