Symbioses
n. （通常互利的）共生（现象）( symbiosis的名词复数 ); （人与人之间的）互利关系
🗣️ 情景例句
Don't worry about it. It's nothing.
别担心，没事儿。
Can anybody scratch my back for me?
有人来替我搔背吗？
Though he kept throwing up his arms in despair, he readily accepted the $5 I have him.
虽然他绝望地举起双手，但他毫不迟疑地收下了我付给他的5镑钱。