We have to address these difficult issues now.
我们现在必须处理这些困难的问题。
These are all difficult issues in the world context.
这些都是在世界背景下的棘手问题。
This revolutionary change created a series of difficult issues that are with us still.
此一变革引发了一系列难题，至今仍未解决。
And what do you anticipate are the most difficult issues?
最困难的问题又是什么？
You might want to discuss difficult issues with a mentor or friend.
你可能需要与导师或者朋友讨论其中困难的问题。
If there are a number of difficult issues, he would give me a good answer.
如果有一些难懂的问题，他也会给我一个很好的答案。
If there are a number of difficult issues, he would give me a good answer.
如果有一些难懂的问题，他也会给我一个很好的答案。
应用推荐