All automobile have some forms of fuel supply system.

所有的汽车都有燃料供给系统。

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The contradiction of demand and supply forms social fundamental contradiction movement.

人类需求与供给的矛盾运动构成了社会的基本矛盾运动。

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The contradiction of demand and supply forms social fundamental contradiction movement.

人类需求与供给的矛盾运动构成了社会的基本矛盾运动。

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