求翻译：当年在科幻小说里出现的东西现在已经成为现实。科技更新的速度太快，人们花在MP3、音乐CD、DVD等“高科技玩具”上的钱经常是血本无归，对许多中低收入家庭带来不可预测的经济压力。是什么意思？

Then appear in science fiction has now become a reality. Technological change too fast, the money people spend on mp3, music cd, dvd and other high-tech toys are often down the drain, unpredictable for many low-income families to bring economic pressure.

At the time of the science fiction novels, the things have now become a reality. The Science and Technology Update speed is too fast, people spend on MP CD 3, music, and other "high-tech toys DVD " Money is often on the blood of many of the low-income families cannot be predicted by economic pressur

In the past the thing which appears in the science fiction now already becomes the reality.The science and technology renews the speed too is quick, the people spend in MP3, music CD, DVD and so on “the high tech toy” on money are frequently the initial capital not turn over to, brings the economica

Appeared in the science fiction of the year what has now become a reality. Technology update too fast, people spend in MP3, music CD, DVD, and other "high-tech toys" on the money is often wiped out, for many low-income families in an unpredictable economic pressure.

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