為自己
for yourself
In 2012 Smith set up in business on his own account.2012 年史密斯開始創業。
自願地
because you want to and you have decided, not sb else
No one sent me. I am here on my own account.沒有人派我,我自己來的。
釋義來自《牛津高階英漢雙解詞典》第 9 版