4 sentences

1. 这款手机的销量非常高。

   zhè kuǎn shǒu​jī de xiāo​liàng fēi​cháng gāo.

   The sales volume of this phone is very high.

   Source: Dong Chinese Dictionary

2. 现在图书销量直线下降。

   xiàn​zài tú​shū xiāo​liàng zhí​xiàn xià​jiàng.

   Book sales are plummeting right now.

   Source: OpenSubtitles

3. 附近城镇的枪支销量飙升。

   fù​jìn chéng​zhèn de qiāng​zhī xiāo​liàng biāo​shēng.

   Gun sales in neighboring towns have skyrocketed.

   Source: OpenSubtitles

4. 价格是影响销量的关键因素。

   jià​gé shì yǐng​xiǎng xiāo​liàng de guān​jiàn yīn​sù.

   Price is a key factor affecting sales volume.

   Source: Dong Chinese Dictionary