As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them,which is said by President George Washington. True of False? ( ) (“当我们表达感谢时,我们绝不能忘记感恩的最高形式不是说出的话,而是实际的作为。” 这句名言出自乔治·华盛顿总统。正确还是错误?)