包装的未来在于既能保护产品又能保护地球的材料。
在观察性研究中,我们常常不得不依赖于无法直接检验的假设。
Money is not the key to happiness, but it helps.
To live without experiencing some of the most beautiful relations life affords is not to have lived at all.
不登上高山,就不知道天是多么高远;不亲临深溪,就不知道地是多么深厚。