当你发现健康的人们比那些失去健康的人们更加快乐时，你也许一点都不觉得奇怪。
Perhaps it comes as no surprise to find that healthier people are happier than those who aren't as healthy.
用牙套来矫正孩子们不够整齐的牙齿，也许可以让他们的笑容更加灿烂，但不一定能使他们更加快乐、更具自豪感。
Straightening children's crooked teeth with braces may improve their smile but it is no guarantee of happiness and improved self esteem.
FieldTurf还会寻求新的材料：也许使用可循环的塑胶地砖以代替底层的碎石层，这样草皮植入时会更加快捷，便宜。
FieldTurf is looking at new materials: instead of gravel underneath the surface, it might start using recycled plastic tiles, which would be faster and cheaper to install.
应用推荐