The principle of card counting is really around tracking how much face cards and aces are left.

算牌的原理实际上就是追踪还剩多少花牌（带人像的扑克牌）和 A。

Here are the three reasons why you won't make millions counting cards.

以下是您无法赚到数百万计数卡的三个原因。

What do I do if I catch somebody counting cards?

如果我发现有人在数牌，我该怎么办？

Because of what card counting used to be, the casinos now know exactly what changes need to be made so that they can keep the advantage.

由于以前的算牌方式，赌场现在确切地知道需要进行哪些更改才能保持优势。

But, now you have to consider the low cards and the note cards and even if you get really good at keeping count, you still won't make millions counting cards.

但是，现在你必须考虑低牌和小牌，即使你真的很擅长算牌，你仍然不会赚到数百万张算牌。