WORD BY WORD

avail

英/ɐvˈeɪl/
美/əˈveɪɫ/
01v.

有用, 有利

use to one's advantage; be of use to, be useful to; take or use

02v.

有利于

use to one's advantage; be of use to, be useful to; take or use

03n.

效用, 利益

a means of serving