He finally solved the difficulty of transportation.他终于解决了运输的困难。When will the police solve the crime?警方什么时候能破案?We cannot solve this problem without his help. 没有他的帮助我们不能解决这个问题。We should investigate this problem and solve it. 要研究解决这个问题。I believe in your ability to solve the problem. 我相信你有解决这问题的能力。I thi...
