We cannot be sure whether our dreams will come true,but we can at least be hopeful

问题描述:

We cannot be sure whether our dreams will come true,but we can at least be hopeful
that our efforts to improve the world will be successful.

我们不能肯定梦想一定会成真,但至少我们可以坚守这个希望:我们的努力来改善我们的世界会成功.