important的名詞是什麼?

例句：

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

父母在兒童的天地裏是最重要的.人。

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

你應該到場，這對我很重要。

It is important to develop good study skills.

培養良好的學習方法很重要。

These statistics are important from an ecological point of view.

就生態學而言，這些統計數字很重要。