Pope Benedict said Angolans should "meet one another fearlessly, agreeing to share personal resources, both spiritual and material, for the good of all."

VOA: standard.2009.03.20

Either keep up the good work or you better change your strategy because you are not mastering the material.

保持好的工作,或者你最好改变你的策略,因为你不擅长处理这个材料。

麻省理工公开课 - 固态化学导论课程节选

She has a good grasp of the material.

她对这个材料有很好的理解。

麻省理工公开课 - 固态化学导论课程节选