抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。

【大意】兰花生长在幽静偏僻的山谷中，并不因没有人采撷佩带而不吐出迷人的芳香；舟船在大江大海中，并不因没有人乘坐而停止了飘浮；君子做正义的事，并不因没有人知道而停止。

The best films are those that challenge our perceptions and make us see the world differently.

Collaboration across industries is key to solving complex energy problems.

无人机技术最大的价值在于它能到达人难以到达的地方。

The most important skill for a computer scientist is problem-solving.

The real question is not whether machines think but whether men do.

Setting goals is the first step in turning the invisible into the visible.