If you buy stock in a high tech company, that sells things on the internet, you might expect it to fluctuate enormously.
如果你选择买在网上进行销售的,高新技术公司的股票,它可能会变化非常大。
Let's go back to the nineteenth century, that's the 1800s, that was a wonderful century for information technology.
让我们一起回到19世纪初叶,这对信息技术来说是大好的一个世纪。
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