It doesn't have to be a rigid process, but it does need to exist.

它并不是一个僵化的过程，但他的确每时每分都存在。

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Professor Marshall said: "they are slow moving, efficient swimmers because they exist in a world where food is sparse and they need to conserve energy."

马歇尔教授说：“它们是行动缓慢且有效的游泳者，因为它们生活在食物稀缺的世界，需要保存能量。”

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The drones who exist to repeat clichés about market failure need a robust and energetic reply from people who know what they're talking about.

对那些不断重复市场失败陈词滥调的制造噪声的人，知道真相的人需要站出来，给他们一个明确有力的回应。

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The heat exchangers and pipework required to make a 10MW plant already exist, but the 100MW facility will need a pipe that is not only 1km long (in order to reach the cold water at depth) but ten metres in diameter (in order to bring enough of that cold water to the surface).

ECONOMIST: Ocean heat may be used to generate electricity

To become more specific to our situation: our physical fitness facility, bookstore and coffee shop, exist to meet a primal spiritual need: human connection with our fellow believers in the midst of an increasingly impersonal urban space.

FORBES: Taxing The Third Space

The problem, of course, is that class actions need a plaintiff to exist, but the lawyers who bring these cases often consider the client to be a mere vehicle for what is an extraordinarily lucrative way to earn fees.

FORBES: Botched Facebook IPO Spawns Botched Lawsuit With Wrong Plaintiff