重要的不是你所探究，但是当你一旦调查一件事，你必须不放弃它，直到你已彻底明白。
It matters not what you learn, but when you once learn a thing, you must never give it up until you have mastered it.
重要的不是你所探究，但是当你一旦调查一件事，你必须不放弃它，直到你已彻底明白。
It matters not what you learn, but when you once learn a thing, you must never give it up until you have mastered it.
应用推荐