有这种说法吗,it is worthwhile to do?

有这种说法吗,it is worthwhile to do? Do you think it is worthwhile to buy? it's worthwhile to do 与 it's worthwhile doing 哪个对?是否有区别? It is worth well to do sth/doing sth对吗?是不是worthwhile啊? It is worthy to do sth有这种用法对吗? keep sth to do有这种说法吗?啥意思? 有it is a must这种说法吗? 可以有it is no need doing /to do 的说法吗 prefer to do...than to do...有这种说法么? i feel it a great honour to do sth.有这种说法吧. 英语翻译It is definitely worthwhile. 有suggest sb.do这种说法吗?