2 sentences

1. 本月股市的交易量创下了新高。

   běn yuè gǔ​shì de jiāo​yì​liàng chuàng​xià le xīn gāo.

   The stock market's trading volume hit a new high this month.

   Source: Dong Chinese Dictionary

2. 在大城市，二手房的交易量往往超过新房。

   zài dà chéng​shì, èr​shǒu​fáng de jiāo​yì​liàng wǎng​wǎng chāo​guò xīn​fáng.

   In large cities, the transaction volume of pre-owned homes often exceeds that of new homes.

   Source: Dong Chinese Dictionary