But it does offer a straightforward indicator of relative wellbeing. And given how painful a dental condition can be, dentistry deserves a place of honor on next spring’s UN-sponsored International Day of Happiness.
当然，牙齿健康也许永远不会被纳入联合国发展计划。但它的确提供了相对健康的直接指标。鉴于牙齿问题是多么痛苦，明年春联合国发起的国际幸福日应该庆祝牙医学取得的成就。