举个例子，比方说，只需要检查某种类型的约束，例如结构性约束。
An example is that only a certain type of constraint needs to be checked such as structural constraints.
我将会举个例子，比方说，那种火车经过你时，它的声音会从别的方向传来。
I'm going to give an example or example of that — of the train kind of going by you, and the sound heading off in the other direction.
举个例子，比方说我们需要一个表示“一手牌”的类，这个就是指一个牌手手中拿着的牌。
As an example, let's say we want a class to represent a "hand", that is, the CARDS held by one player.
举个例子，比方说我们需要一个表示“一手牌”的类，这个就是指一个牌手手中拿着的牌。
As an example, let's say we want a class to represent a "hand", that is, the CARDS held by one player.
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