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1·Take a broader look at our species' place in the universe, and it becomes clear that we have an excellent chance of surviving for tens, if not hundreds, of thousands of years.

纵观我们物种在宇宙中的位置，我们可以清楚地看到，就算我们活不上几百年或几千年，也极有可能活上几十年。

2·But just because you are paying tens, if not hundreds, of thousands of dollars for your child's education does not mean the university is a safe place.

但是，正是因为你是花了数百计的美元而不是成千上万的钱来保障你孩子的教育，这并不能保证大学是一个安全的地方。

3·The worst nuclear power accident in history took place in Chernobyl in 1986 when a reactor there exploded, killing tens of people instantly and exposing hundreds of thousands more to radiation.

历史上最严重的核电站事故发生在 1986 年的切尔诺贝利，一个反应堆发生了爆炸，当场炸死几十人，更有上万人受到辐射影响。

4·In addition, tens of thousands of square meters parking lot equipped with large-scale lighting can place 1000 sedan cars and 100 large tour buses in the meanwhile.

另外，数万平方米超大规模的地上地下停车场可同时停放1000辆小轿车和100辆大型旅游车。