这个问题真有难度啊,
如果要我用英语表达的话,我会这么说:something that has not been proven to be useful,but it would be wasteful to discard it.
如果表达某件事可做可不做,不做不碍事,做也不太费力
to do something with effortless attempt.
这个问题真有难度啊,
如果要我用英语表达的话,我会这么说:something that has not been proven to be useful,but it would be wasteful to discard it.
如果表达某件事可做可不做,不做不碍事,做也不太费力
to do something with effortless attempt.