发出履行性陈述并不是在做陈述，因此履行性陈述的发言既不真实也不虚假。
To utter a performative is not to make a statement， and therefore the utterance of a performative is neither true nor false.
Collaboration across the supply chain is key to driving real change.
做数学就是同时参与创造和发现的行为。
"The best stories are the ones that make you feel less alone."
I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.