3 sentences

1. 他的估价往往比市场价低。

   tā de gū​jià wǎng​wǎng bǐ shì​chǎng​jià dī.

   His appraisals are often lower than the market price.

   Source: Dong Chinese Dictionary

2. 专家正在给那件古董估价。

   zhuān​jiā zhèng​zài gěi nà jiàn gǔ​dǒng gū​jià.

   An expert is appraising that antique.

   Source: Dong Chinese Dictionary

3. 他的财产估价为五千万美元。

   tā de cái​chǎn gū​jià wéi wǔ​qiān​wàn měi​yuán.

   His assets are valued at 50 million dollars.

   Source: Dong Chinese Dictionary