The truth is rarely pure and never simple.
What you actually pay for something is at least twice the listed price because of the energy, time, money needed to set it up, learn, maintain, repair, and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.
量子计算机可以高效地分解大数,这意味着当前大多数公钥加密在量子计算机的对手面前是不安全的。
The mind is a constantly evolving stream of experiences.