在恐龙主宰着白天的局势的时代，我们的哺乳动物祖先之所以能够勉强生存下来，可能只是因为他们找到了在夜间谋生的方法。
In the time when the dinosaurs dominated the daytime economy, our mammalian ancestors probably only managed to survive at all because they found ways of scraping a living at night.
糟糕的是许多企业只有进行适当的规划才能勉强生存。
The sad part is that many of them could survive with proper planning.
加洛瓦人是至今依然勉强生存在安达曼群岛上的四个古老黑人部落中的一个。
The Jarawa are one of four ancient Negroid tribes barely surviving on the Andamans.
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