due to the licensing issues, you can not seek backwards. mixcloud 播放时不能倒退，外国公司里最牛逼的角色还是法务 https://t.co/ls9RJUmmLITweetsdue to the licensing issues, you can not seek backwards. mixcloud 播放时不能倒退，外国公司里最牛逼的角色还是法务 https://t.co/ls9RJUmmLI
