如果易用性是唯一的要求，那么每个人都会还在骑三轮车。
If ease of use was the only requirement, everyone would still be riding tricycles.
过去从未死去。它甚至不是过去。
My expectations were reduced to zero when I was 21. Everything since then has been a bonus.
Shor算法的美妙之处在于它展示了量子计算机如何解决一个被认为对经典计算机来说是棘手的问题。