Leslie: Interesting.And would you agree that the primary way we would evaluate either the success or failure of the date would be based on the biochemical reaction during the good night kiss?

Leonard: Heart rate, pheromones, etc.

Leslie: Yes. Why don't we just stipulate that the date goes well and move to the key variable?

Leonard: You mean kiss you now?

Leslie: Yes.

Leonard: Can you define the parameters of the kiss?

Leslie: Close-mouthed but romantic.Mint?

primary
【释】原始的；主要的；初级的；基本的
【例】The historian searched for primary sources of information about the past.
历史学家寻找有关过去的原始资料来源。

stipulate
【释】规定；保证
【例】Can you stipulate they would carry out the treaty?
你能保证他们会执行该条约吗?

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作者@MJE美剧口语联盟