人没有付出的话就什么都得不到,为了得到某样东西,就需要付出同等的代价,这就是等价交换原则。在商品经济条件下,等价交换是价值规律的基础。下列有关等价交换说法正确的是 ①每一次具体的交换过程都是等价的 ②价格围绕价值上下波动 ③在商品交换过程中绝大多数场合是等价交换,少数场合是不等价的 ④交换的平均场合是等价的
Ten years ago the population of our village was that of theirs.
In our class, there are 46 students, half _____ wear glasses.
I have to go to work by taxi because my car_____at the garage.
Her mother would wait for her, ___ late she studied at night.
— Let me tell you something about the journalists. —Don’t you remember ____ me the story yesterday?