manage to do sth是什么意思
devoteto后面是do还是doing
it is important to do sth什么句型
try to do sth和try doing sth的区别
ability to do sth什么意思
devote oneself to do还是doing
devote to do还是doing
would like to do sth英语是啥意思
devote oneself to doing
spare no effort to do sth