假如没如果 王小南 专辑:假如没如果 语种:国语 流派:Pop 唱片公司:扭湃哇音乐
I have a set of X items such as {blower, mower, stove} and each item has a certain percentage of times it should be selected from the overall set {blower=25%,mower=25%,stove=75%} along with a certain