Looking still further ahead, by the end of the next century world population is expected to be about ten billion.

再往远看，到下个世纪末，世界人口预期达到一百亿左右。

Ten billion, it is the large number he said.

一百亿，这就是他讲的大数。

More than ten billion kWh can be saved for a power pool.

一般电网每年约节电能数十亿度。

Maybe more by now. But let's, for the sake of argument, ten billion pages.

可能更多了，但是让我们想想，一百亿个网页。

Only in the innermost detector regions, it is equipped with ten billion transistors.

仅在检测器的最里面区域中，就配有一百亿个晶体管。