Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.

The study of mathematics is a constant dialogue between the concrete and the abstract.

竞争力是指公司在保持或提高平均水平的同时进行竞争的能力。为了提高竞争力去削减工资，并不是真正的竞争力提升。它只是提高了这些工人的技能和效率，因为这样他们才能维持之前的工资水平。