求翻译：现在的世界上，到处都有需要他案的问题。例如：对于我们校学生来说，有的时候也会遇到困难。比如说：数学题有时候就会把我们难倒。在遇到这种困难的时候，有的同学就会失去信心，放弃不做。有些同学是知难而进，尽管提有多难，他都会积极的思考。我们应该学习第二做法，这样才会使自己更加勤奋。是什么意思？

The world now, his case everywhere. For example: For our students, sometimes also encountered difficulties. Math problems, for example: Sometimes it will to us stumped. When this difficulty, some students will lose confidence in abandoning. Some students despite the difficulties, despite the mention