在茫茫雪原上,导航设备一旦失灵,队伍很快就会迷失方向。Zài mángmáng xuěyuán shàng, dǎoháng shèbèi yídàn shīlíng, duìwǔ hěn kuài jiù huì míshī fāngxiàng.On the boundless snowfield, once the navigation equipment fails, the team will soon lose its way.
茫茫大海上,只有一条小船在慢慢前进。Mángmáng dàhǎi shàng, zhǐyǒu yì tiáo xiǎochuán zài mànmàn qiánjìn.On the vast sea, only one small boat was slowly moving forward.
人海茫茫,要找到一个人并不容易。Rénhǎi mángmáng, yào zhǎodào yí ge rén bìng bù róngyì.In a vast sea of people, finding one person is not easy.