鸵鸟是现存最大的鸟类，奔跑速度可达每小时70公里。

The ___ostrich is the largest living bird and can run up to 70 kilometers per hour.

你不能像鸵鸟一样把头埋在沙子里，必须面对这些财务问题。

You can't be an ___ostrich and bury your head in the sand—you need to face these financial issues.