1. The students are studying universal history.
    学生们在学习世界史。

2. The scanning laser beam was an ideal device for reading these markings, and so the Universal Product Code was born.
    能进行扫描的激光是一阅读这些标志的理想手段，因而通用条形码便应运而生了。

3. Until bit by bit the walls of the ego recede, and your life becomes increasingly merged in the universal life.
    逐渐摆脱个人狭小的圈子，直到自我的围墙一点一点地倒塌下来，自己的生活慢慢地和整个宇宙的生活融合在一起。

4. Advocates for the poor want the companies building the data highway to devote a portion of their profits to insuring universal access.
    维护穷人权益的人士希望这些正在建设数据高速公路的公司能够将其利润的一部分用于此项技术的普及。

5. Advocates of universal access have already launched a number of projects of their own.
    提倡普及的人已启动了他们自己的几个项目。

6. Your life becomes in creasingly merged in the universal life.
    你的生活就会日益融合于宇宙万物的生活之中.

7. Let´s begin with what the shopper sees first, the Universal Products Code (UPC) symbol.
    我们先来讲讲顾客首先会注意到的东西——通用条形码。

8. In spite of national differences, certain funny situations have a universal appeal.
    尽管民族不同，有些滑稽的情节却能产生普遍的效果。