Acknowledging somebody, giving them eye contact, smiling, opening a door, perhaps picking up some litter or making an environment more comfortable for somebody, or a compliment, can really help to make a person's day glow.
認可某人、眼神接觸、微笑、打開一扇門,也許撿起一些垃圾,或使一個環境對某人來說更舒適,或一句讚美,真的可以使人的一天煥發光彩。