A man may usually be known by the books he reads as well as by the companies he keeps, for there is a companionship of books as well as of men.
书上的句子。
1)是否应该by the company he keeps, 复数使用错误?
2) 请教老师company, companion, companionship 这3个单词作陪伴之类意思时,究竟有何区别?