free as the air

例句：

1. 1. The children are freeto choose their own toys.
   孩子们可以自由选择自己的玩具。
2. 2. The new policy will make thecitizens feel more free.
   新政策将使市民感到更加自由。
3. 3. The freedom of speechis a fundamental right in our society.
   言论自由是我们社会的基本权利。