生活如歌，或高昂，或低沉，或悲戚，或欢快，因为诚信，它变得悦耳。

Life such as song, or high or low, or sorrow, or joy, because good faith, it becomes the ear.

youdao

生活如歌，或高昂，或低沉，或悲戚，或欢快，因为诚信，它变得悦耳。

Life such as song, or high or low, or sorrow, or joy, because good faith, it becomes the ear.

youdao