There are also the opportunity costs: what cures for disease, what other useful discoveries might we never know of, because a habitat is destroyed forever, or land is polluted beyond all use?

还有所谓的机会成本：什么东西能够治愈疾病，还有其他有用的新发现，也许我们永远不会知道，因为栖息地被永远破坏，或土地被污染而没法使用。

youdao

That's an unusual arrangement for a search engine. It breaks one of the fundamental laws of the Internet - that what you publish publicly once is public forever.

这对搜索引擎来说非同寻常，因为它打破了互联网的基本法则：你公开一次，就会永久公开。

youdao

Be thankful for what you have, the person you are and the people that are part of your life. Nothing is forever so take time to be thankful today.

感恩所拥有的一切，自己和身边的人。没有东西是永恒的，所以抓紧时间感恩今天。

youdao

But what will forever remain unknown is how much greater their earnings would have been had they spent three years playing for a Duke, UNC, Kentucky, or UCLA thanks to early endorsement deals, not to mention greater fan interest in their professional careers due to their collegiate success.

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