我只是好奇它们是怎么来的。
你看到这些高科技的标志无处不在，但你想过它们是怎么来的吗？
You've seen these tech logos everywhere, but have you ever wondered how they came to be?
不过，说到我们的盘中餐，它们是怎么来的，又会如何影响我们，这个时候就比较尴尬了：我们连自己不知道什么都不知道。
Yet when it comes to what's on our plates, how it got there and how it affects us, we are in an unfortunate position; we don't know what we don't know.
不过，说到我们的盘中餐，它们是怎么来的，又会如何影响我们，这个时候就比较尴尬了：我们连自己不知道什么都不知道。
Yet when it comes to what's on our plates, how it got there and how it affects us, we are in an unfortunate position; we don't know what we don't know.
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