github使用动画教程
It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity. We had everything before us, we had nothing before us.
这是最好的时代，这是最坏的时代；这是智慧的年代，这是愚蠢的年代；这是信仰的时期，这是怀疑的时期；我们的前途拥有一切，我们的前途一无所有。
这是最好的时代，这是最坏的时代；这是智慧的年代，这是愚蠢的年代；这是信仰的时期，这是怀疑的时期；我们的前途拥有一切，我们的前途一无所有。
