随机环境下的定价研究在营销学中有着重要的地位与作用，并已经取得了一定的成就，但还有相当多的问题有待于进一步的研究。

The study of pricing in stochastic condition plays a important role in marketing, and a series of achievements have been obtained in this field, but there still exist many problem need to be studied.

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清季驻设福建的外国领馆与外国领事，陈增辉教授已有诸多重要研究成果，但仍有一些具体问题还有待进一步查考。

Although Professor Cheng had done accomplished work in the subject of foreign consulates and consuls in Fujian Province during the late Qing, there are still some problems unsettled.

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还有进一步证据显示，精神状态会影响一个人的免疫系统：心理健康十分重要，特别身体不健康的人。

There is growing evidence that the strength of a person's immune system is affected by his mental state, too: a healthy mind really does count, especially in an unhealthy body.

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