3 sentences

1. 他的收入高于平均水平。

   tā de shōu​rù gāo​yú píng​jūn shuǐ​píng.

   His income is above average.

   Source: Dong Chinese Dictionary

2. 这一阶段的产出远高于前期。

   zhè yī jiē​duàn de chǎn​chū yuǎn gāo​yú qián​qī.

   The output of this stage is much higher than that of the previous period.

   Source: Dong Chinese Dictionary

3. 由于市场需求增加，该房产的成交价高于预期。

   yóu​yú shì​chǎng xū​qiú zēng​jiā, gāi fáng​chǎn de chéng​jiāo​jià gāo​yú yù​qī.

   Due to increased market demand, the transaction price of the property was higher than expected.

   Source: Dong Chinese Dictionary