You have to be very alert, you have to be very wise in your relationship with another.
你必须警觉，你必须有智慧地处理和他人的关系。
Researchers say the roots alert plants to the relationship of nearby plants, because when impatiens were planted near siblings but in separate pots, they didn't recognize their kin.
研究者们称，是它们的根系识别出了周围的植物是否和自己存在亲缘关系，因为把两株存在“亲戚关系”的凤仙花分别栽种在不同的花盆里再并排放置，它们并没有认出彼此。
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