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Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a c
新东方背诵文选
Judy is looking for something nice to wear for a job interview. She wants to wear something formal. Unfortunately, she doesn't have anything except casual clothes. Judy is worried. She has nothing sui
赖世雄初级美国英语
By Carol Pearson Washington 05 May 2008 High definition TV provides sharper images, but high definition imaging now goes beyond television. VOA's Carol Pearson reports on high definition eye glasses.
VOA标准英语2008年（五月）
Brandy--Definition I dropped all that baggage Let go of that habit The pain you can have it Now Im content with me Im lovin this kid And I gotta admit Feels like the beginning Now Im content with me It's hard to explain it Been through it, you name i
E乐吧
You might not think that mathematicians have anything particularly relevant to say about your love life. But you'd be wrong--if we're talking about James Murray, a mathematician at the University of Washington in Seattle who teamed up with Psychologi
英语杂谈
歌词： Do you notice all the gravity's left us The rules seem different this time Are we turning upside down To a new definition of the human kind I hear a word and its meaning will differ And there is sand in our eyes We are turning upside down K
金属