important的名词是什么?

例句：

Parents are the most important people in a child's world.

父母在儿童的天地里是最重要的.人。

It's very important to me that you should be there.

你应该到场，这对我很重要。

It is important to develop good study skills.

培养良好的学习方法很重要。

These statistics are important from an ecological point of view.

就生态学而言，这些统计数字很重要。