由于季节性产品在特殊的时间段的消费需要，导致一些商品销售具有明显的淡旺季。
Some seasonal goods have obvious sales midseason and off-season due to the consuming needs in some special periods of time.
它耗尽了剩余消费品，这就能够保持等级社会所需要的特殊心理气氛。
It eats up the surplus of consumable goods, and it helps to preserve the special mental atmosphere that a hierarchical society needs.
随着女性的社会地位和消费力水平的提高，处在孕期的妇女出于特殊体型和生活环境的需要，对孕妇装提出了更高的要求。
With the improvement of women social status and consumption levels, pregnant women set a higher demand for maternity dress because of their distinctive body sizes and living environment.
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