有时我们会为某些事情感到悲伤，而我们不愿意告诉别人我们为此感到悲伤。
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
我们要勇于面对挑战，敢于突破自我。
Sometimes the thing you're most afraid of is the thing that will set you free.
音乐是生命阴郁夜晚中的月光。
The development of AI requires open cooperation, not working behind closed doors.