an exception to

基本解释

However, there is an exception to this rule.
但是，这条规则有一个例外。
However, storage events is an exception to this—at least on desktop browsers.
但是，存储事件对于这一点来说是一个例外 — 至少在桌面浏览器上如此。
This rule is an exception to the above rule of not setting mediation properties during this phase.
本条规则是上述要求不在此阶段设置中介属性的那条规则的一个例外。

An exception is when a jury is asked to recommend either execution or life in prison in murder cases punishable by death.
But what I'm going to tell you already is this is a case where, in fact, it's an exception to the idea that the lowest energy structure has the lowest ionization energy in the middle, and we can figure this out when we look at formal charge.
但是我已经告诉大家这个例子，实际上，是中心原子电离能最低的结构,的能量最低这一思路的一个例外，我们可以通过形式电荷看出这一点。
麻省理工公开课 - 化学原理课程节选
The exception is right there. It's an index error, that is it's trying to do something going beyond the range of what this thing could deal with.
但他事实上抛出一个异常，异常就在这里，这是一个下标错误,它是试图去取超出范围的元素造成的。
麻省理工公开课 - 计算机科学及编程导论课程节选

Allowing companies an exception to the CFAA really would turn the Internet into the Wild West.
FORBES: Caution: Active Response to Cyber Attacks Has High Risk