城乡教育资源的落差若长期存在,社会流动性会被进一步削弱。Chéngxiāng jiàoyù zīyuán de luòchā ruò chángqī cúnzài, shèhuì liúdòngxìng huì bèi jìn yí bù xuēruò.If the gap in urban and rural educational resources persists for a long time, social mobility will be further weakened.
这条河在山里有一百多米的落差,适合发电。Zhè tiáo hé zài shān lǐ yǒu yì bǎi duō mǐ de luòchā, shìhé fādiàn.This river drops more than a hundred metres in the mountains, which makes it good for generating power.
看了照片再见到本人,他觉得心理落差很大。Kàn le zhàopiàn zài jiàndào běnrén, tā juéde xīnlǐ luòchā hěn dà.After seeing the photos and then meeting the person, he felt a big letdown.