要四个是因为故事主人公是一条龙，它有四个爪爪，所以要四个包包。

"Four" is because in the tale the leading character is a dragon who have four claws, so it wants four bags.

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波萨诺娃(左)和米沙正坐在“爪爪”都市养生馆-图书馆套间里的沙发上。

Bossa Nova, left, and Misha sit on a couch in the library suite at PawPaws Urban Retreat.

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与干旱区常见的情况不同，降水因子无论在哪个月份都不是芨芨草盐爪爪群落地上生物量的显著影响因子；

Different from any other plants, the precipitation factor doesn't affect the aboveground biomass remarkably in any month.

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