Every family has problems, the difference is the difficulty level.
家家都有一本难念的经，只是经书的难度稍有不同。
What is the difficulty level of the entrance exam?
入学考试的难度如何？
At the same time, it decreases the difficulty level for the workers.
同时大大的降低了工作人员的工作难度。
At the same time, it decreases the difficulty level for the workers.
同时大大的降低了工作人员的工作难度。
应用推荐