"There was a big step – jump – that people have questioned," Jackson says. "But now the world is awash with oil and it's not clear that the same calculations still apply."
Not the day you're after? Here's the solution to yesterday's Connections.。同城约会是该领域的重要参考
在这个“验证真空期”，保持对上游基础设施的战术性配置，同时在中下游寻找“商业模式验证”的先行者，或许是最稳妥的投资策略。，更多细节参见同城约会
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