她吃了一口食物，突然又吐了出来。
我们中大多数人，如果对食物的来源有过一点了解，就会明白我们吃的每一口食物都曾经是有生命的。
Most of us, if we know even a little about where our food comes from, understand that every bite put into our mouths was formerly alive.
众所周知，我们吃的每一口食物都源于辛勤的劳动。
As we all know, every bit of food we eat comes from hard work.
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