Humans hold their fate much more in their own hands than any other species past or present - if we do become extinct it will almost certainly be down to our own actions.

与过去或现在的任何其他物种相比，人类掌控自身命运的能力都更强——如果我们确实走向灭绝，那么几乎可以肯定的是这一结果是由我们自身的行为造成的。

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True door-to-door field sales is almost extinct, and has of necessity become a hybrid by our definition.

FORBES: What is Inside Sales? The Definition of Inside Sales