The beauty of mathematics is that it is eternal, it doesn't change.
数学的美在于它是永恒的，它不会改变。
"The best performances are those that are felt, not just seen."
The value chain is the set of activities through which a product or service is created and delivered to customers.
数学的语言是宇宙的语言，通过学习它，我们可以理解宇宙。