这辆5-b的后备箱空间很大，非常适合家庭使用。

This ___5-b has a spacious trunk, perfect for family use.

我只剩一张五美元钞票了。

I only have one ___5-b left in my wallet.

5-b巴士服务连接纽约市的所有行政区。

The ___5-b bus service connects all administrative divisions of New York City.