一句讲不清,看句子吧,都不能互换的 　　这个问题值得考虑 　　Theproblemisworthconsidering 　　Itisworthconsideringtheprblem 　　Itisworthwhiletoconsidertheproblem 　　Itisworthwhileconsideringtheproblem 　　Consideringtheproblemisworthwhile 　　Toconsidertheproblemisworthwhile 　　Theproblemisworthyofconsideration 　　Theproblemisworthyofbeingconsidered 　　Theproblemisworthytobeconsidered