交通工具
在现代社会，交通工具巳经成为了社会健康持续发展的关键因 素。但令人遗憾的是，这些交通工具在为我们提供便利的同时，是 要我们付出代价的。越是发展现代交通,我们所要付出的代价也越大。 如果人类社会按照这个模式发展下去的话，将来就会付出更高的成 本，受到的打击也越大。
Transportation in all modem societies has become a critical necessity for the continued well being of the community. Unfortunately, the development of these transportation systems has come at a price，in relation to the convenience they provide. The further society goes down that same path, the more expensive, and damaging, it will become.
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