probleme问题problemn.问题；难题；习题adj.成问题的；难对付的problem- centered以问题为中心problem solving set问题解决定势Problem of cognition认识问题problem of landscape景观问题problem and doctrine问题与主义problem and solution问题和解决办法problem manipulation问题处理problem registration问题注册Problem and shortage问题problem of substance实质性的问题