be open to debate also be a matter for debate if an idea is open to debate, no one has proved yet whether it is true or false尚待讨论，有待商榷;SYNdebatable•Whether that would have made any difference is open to debate.那样做是否会带来不同结果还有待商榷。 be open to debate be unproven and requiring further discussion 有待讨论。 |