But As A Rule的意思|示意

But as a rule the terseness and point of the maxim approximate to the modern epigram.

但总的来说格言的简洁凝炼是与现代格言警句相类似的。

Guarding dogs who protect the house differ from the herding dogs because of their extreme aggressiveness towards strangers, but as a rule they respect and listen to their owner.

防护犬，用来保卫屋子，和牧羊犬的区别在于防护犬具有对陌生人极其强烈的攻击性，但是前提是它们尊重并且听从于主人。

But control code on Windows and requests on Linux are defined in such a different way that there is no fixed rule to find the mapping relations between these two parameters, as we discussed earlier.

但是Windows的控制代码和Linux的请求在定义上差别很大，以致没有固定规则能够找出这两个参数的映射关系，如前文所述。

W: As a rule we don't allow any commision. But if the order is sizable one, we will consider it.

W：按规定我们是不许给佣金的，不过如果定单确实是大定单，我们会考虑的。

That does not rule out a gradual drift to infertility as an additional explanation, but makes it possible that infertility is a consequence, rather than a cause of speciation.

这并没有排除向不孕缓慢转变的这种补充解释，但可能的是，不孕是物种形成的结果，而非原因。

In this case, the action is simply to generate some form of notice, but you could perform a more complex action (such as the issuance of a citation) as the rule action.

在这个例子中，活动就是简单地生成某种形式的通知，但也可以在规则活动中执行更复杂的活动(如发传票)。