我一直说一切皆有可能。

You can't build an empire without making a few enemies along the way.

We've had three big ideas at Amazon that we've stuck with for 18 years， and they're the reason we're successful:Put the customer first. Invent. And be patient.

能源革命的核心是清洁高效，煤炭行业必须主动适应这一趋势。