"What happens with the health outcome, depends upon good communication, the trust and credibility between the health professional and the individual seeking care, and an understanding of the patient's culture, value system, so that one can develop,hopefully, a strong relationship or interaction between the health professional and the individual.

VOA: standard.2010.03.05

You don't have to declare a special variable for it if you don't care about its actual value.

你并不需要为它声明一个特定的变量,如果你不关心它的实际值。

哈佛公开课 - 计算机科学课程节选

They only need to have values if you care GetInt about getting something back from them, get int, swap you care about its value; but swap, I don't want to hear it again.

它们只需要拥有值，如果你关心,它们的返回值，你关心它的返回值，但是，我不想再得到它的返回。

哈佛公开课 - 计算机科学课程节选