1. To deliver results to its users quickly, then, Google has to maintain vast data centers around the world, packed with powerful computers.

　　那么，为了将结果快速传送给用户，谷歌就必须建立并维护遍布全球的大型数据中心，这些数据中心配备了功能强大的计算机。

　　2. An invisible border divides those arguing for computers in the classroom on the behalf of students career prospects and those arguing for computers in the classroom for broader reasons of radical educational reform.

　　对于计算机课堂教学，人们在观点上存在着一条无形的界线：有人认为应从学生的就业前景来考虑这一问题，而另一些人认为应从推行彻底的教育改革方面来更加全面地考虑计算机进入教室这一问题。

　　3. The ideals of the early leaders of independence were often egalitarian, valuing equality of everything.

　　早期独立领导人通常是平均主义理想，该理想珍视一切平等。