And when you smile, you will find the world smiles to you always!

而且当你微笑的时候，你会发现全世界也都在向你微笑！

youdao

If you smile and have confidence, you will think in a more positive way, and then you will feel more comfortable when you are coping with the stress.

如果你微笑、自信，你会以更积极的方式思考，而当你应对压力时你会感到更舒适。

youdao

So, smile when you meet acquaintances or even strangers, say a cheerful "Hi!" and automatically some of your awkwardness will disappear completely!

所以，当你遇到熟人甚至是陌生人的时候，微笑着说一声“嗨！”， 你的尴尬就会自动消失！

youdao

But the look on everyone's face, when you are finished and packing, it is the best smile in the world;

VOA: special.2009.03.22

And my bet also is that that sort of distinction, how much teeth you show when you smile, is the sort of thing that would show regional and country by country differences.

我打赌区别还在于，微笑时你露了多少颗牙齿，这可以看出地区和国家的不同。

耶鲁公开课 - 心理学导论课程节选

Things like the affectionate touch to your face, the knowing smile when you do something nice for someone, the tear in their eye when you are sad or have been hurt by life, the smile when you are happy and they are sharing in it, the arms that hold you close daily.

FORBES: How to Turn Your Man into Mr. 50%

You will look more comfortable, conscientious and caring if you smile slightly EVEN when you are delivering bad news.

FORBES: Smile For The Camera -Media Training

When you tell the locals you live in Asia, they smile broadly and tell a story about someone they know, or met or just ate with, who was from Asia.

CNN: ASIANOW - TIME Asia | Culture on Demand: Letter from Cortona