Innovation is the only way to break through the bottleneck.

发展挑战没有放之四海而皆准的解决方案。

对逻辑形式的研究不仅关乎语言，也关乎世界。

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.

真理是经得起经验考验的东西。