Finally, from the semantic system, rhythm environmental constraints and cognitive dynamics, the author discusses the virtual motives and virtual-based mechanism of the affix "old".

最后本文从语义机制、韵律环境制约和认知动因三个角度对词缀“老”的虚化动因和虚化机制进行了探讨。

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And modern rhythm of life, psychological and environmental cause new mothers breastfeeding difficulties such as 80% first-tier cities as high as 90%.

而现代人的生活节奏、心理、坏境等导致新妈妈出现哺乳困难占80%一线城市甚至高达90%。

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And modern rhythm of life, psychological and environmental cause new mothers breastfeeding difficulties such as 80% first-tier cities as high as 90%.

而现代人的生活节奏、心理、坏境等导致新妈妈出现哺乳困难占80%一线城市甚至高达90%。

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