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1·Occasional grabs for market share, or the threat of aggressive new entrants, usually prevent prices rising much above that level.

偶尔发起的抢占市场份额的行动，以及激进市场新军所带来的威胁，往往使价格无法比这一水平高出太多。

2·A startup gains pricing power when it creates tremendous value for its users and defend its products from the threat of substitutes and new entrants.

当一个创业公司为用户带来巨大的价值，并能保护他的产品不受替代品和新进入者的威胁，它就拥有了定价能力。