1. While not exactly a top selling book, The History and Geography of Human Genes is a remarkable collection of more than 50 years of research in population genetics.
    尽管不完全是畅销书，《人类基因的发展与地理分布》是一本汇集了50多年来人种遗传学方面的研究成果的好书。

2. The students are having their geography class now.
    学生们正在上地理课。

3. And I shall read English books in science, history, geography, and in everything that will help me to know a lot more about man´s past and present.
    我还要读有关科技、历史、地理和其它方面的英文书籍，使自己更多地了解人类的过去和现在。

4. I´ll let you have the new geography and you may pay me the remainder of the money.
    我卖给你一本新的地理书，其余的钱你可以能够还的时候还我，