Paramutualism
兼性互惠共生
🗣️ 情景例句
Stocks, shares and bonds are good alternatives for personal investment.
储蓄、股票和债券是个人投资很好的选择。
I'm sorry, but it's just not possible.
抱歉，实在是爱莫能助。
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾经是什么；我想知道它现在是什么。