“春雨惊春清谷天,夏满芒夏暑相连。秋处露秋寒霜降,冬雪雪冬小大寒。”作为中国人特有的时间知识体系,“二十四节气”的世代相传说明( )
引起其自然带更替的主导因素是( )
______ his pocket money, Bill bought many books for the poor children.
孟子“民贵君轻”的思想主张