by oneself 等不等于 in person等不等于 on one's own?

by oneself 等不等于 in person等不等于 on one's own? by oneself=on one‘s own那等不等于on oneself in person跟by oneself的区别? In oneself with oneself呢? 用by oneself造句 learn...by oneself是什么意思? all by oneself造句 all by oneself 造句 all by oneself是什么意思 made by oneself是什么意思 on oneself & by oneself有什么区别 for oneself ,by oneself ,of oneself的区别 by oneself ,of oneself,for oneself有什么区别 likely to be in, be in a basketball team,by oneself 是什么意思 in spite of oneself find oneself in find happiness in oneself absorb oneself in