这是一项值得花时间做的实验。
Although this experiment fails, it's still worthwhile.这次试验虽然失败了,但还是值得的。
After repeated experiment, I have found the correction process involving self-correction, peer-correction and teacher-correction at the same time is efficient and worthwhile.经过多次实验,我发现自己改→同伴改→老师改这一过程方法颇为有效,值得应用。