As to the question as to how the couple sleep at night, Guo said he sticks to the principle of "green rent", which means sleeping in different rooms.

至于两人晚上怎么睡觉的问题，郭毅说他坚持“绿色租赁”的原则，即两人分房睡。

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As to the question as to how the couple sleep at night, Guo said he sticks to the principle of 'green rent', which means sleeping in different rooms.

至于两人晚上怎么睡觉的问题，郭毅试他好像“绿色租赁”的原则，即两人跋睡。

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Rent setting makes supply of rent, rent seeking makes demand of rent, both the two sides follow the principle of utility maximization while doing venture business with each other.

设租行为产生租金的供给，寻租行为产生租金的需求，供求双方在带有风险性的租金市场上进行交易时，遵循效用最大化原则。

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