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CRISPR是一种工具——我们如何使用它决定了它的意义。
"You have to love yourself before you can love someone else."
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.
衡量森林价值的真正标准不是木材的板英尺数,而是几个世纪的生态平衡。