It is not passed by normal social contact.

这不是通过正常的社交接触。

How do improve the social contact ability?

如何提高社交能力？

We need food, rest, shelter and social contact.

我们需要食物、住所、休息和社会关系。

It is impossible to exist without social contact.

不可能不与社会接触。

HIV is not transmitted through everyday social contact.

HIV病毒不会通过日常社会接触而传播。