一个可观察对象是一个事件流，我们可以用数组型操作符来处理它。

An observable is a stream of events that we can process with array-like operators.

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这不算很严重的问题 — 也不是所有人都认为的错误 — 但泛型和数组的不同行为的确引起了许多混乱。

This was not an accident — nor necessarily the error that everyone assumes it to be — but the different behavior of generics vs. arrays does cause a great deal of confusion.

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支持的变量包括整型、浮点型的数字、字符串、数组和对象。

Supported variables include integers, floating point Numbers, strings, arrays, and objects.

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