alone等于什么 求替换 等于on one's own吗

alone等于什么 求替换 等于on one's own吗 by one's own 和 on one's own 有什么区别吗? on one's left 等于什么 on one's own 什么意思 on one's own on one's own中one's是指什么 麻烦用on one,s own .by oneself .alone造三个 on one's own 近义词 on one's own by oneself 有什么区别? by oneself 和on one's own有什么区别? by oneself 与on one's own 有什么区别? live alone等于什么?