The smile on her face made it all worthwhile.

她脸上的笑容使得这一切都非常值得。

《牛津词典》

Later, as Becky made her way to the bar, flashing a warm smile was all it took for a tall, handsome guy sipping a glass of red wine to ask her which sport she was watching (we were in a sports bar, because that's where you go when you're looking for bountiful testosterone).

CNN: Flirting 101: Coaches teach daters to cozy up

Anne Marie was pretty, extraor-dinarily good looking, really, and tall, with long, long legs that looked about ready to run away from her torso, and lovely, curly black hair always fastened and arranged and piled high on the top of her head, and a smart smile that was so beautiful you didn't mind the way it made you feel so stupid.

NPR: Chapter 1