问题是，现在已经是21世纪了，社会发生了巨大的变化。
The problem is, we’re in the 21st century, and society has changed tremendously.
问题是，现在已经是21世纪了，社会发生了巨大的变化。
The problem is, we're in the 21st century, and society has changed tremendously.
人们普遍认为我们的现代科技使我们的社会发生了巨大的变化，近几十年人类取得了惊人的进步。
It is commonly thought that our society has been dramatically changed by modern science and technology, and humans have made extraordinary progress over the past decades.
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