To utter a performative is not to make a statement， and therefore the utterance of a performative is neither true nor false.
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。
Children understand more than we often give them credit for.
银河系中心是强引力下的一个独特的自然实验。
Sustainability isn't an option - it's our responsibility to future generations.
爱情像一棵树，它自己生长，深深扎根于我们的存在。