7 sentences

1. 我们应当论功行赏。

   wǒ​men yīng​dāng lùn gōng xíng​shǎng.

   We should reward people according to their merits.

   Source: Dong Chinese Dictionary

2. 论成绩，我们班数他最好。

   lùn chéng​jì, wǒ​men bān shǔ tā zuì hǎo.

   In terms of grades, he is the best in our class.

   Source: Dong Chinese Dictionary

3. 论棋艺，他比哥哥稍逊一筹。

   lùn qí​yì, tā bǐ gē​ge shāo​xùn​yī​chóu.

   In terms of chess skills, he is slightly inferior to his brother.

   Source: Dong Chinese Dictionary

4. 我们今天不谈私事，只论公事。

   wǒ​men jīn​tiān bù tán sī​shì, zhǐ lùn gōng​shì.

   We are not talking about private matters today, only official business.

   Source: Dong Chinese Dictionary

5. 这里的苹果是论斤卖的。

   zhè​lǐ de píng​guǒ shì lùn jīn mài de.

   The apples here are sold by the catty.

   Source: Dong Chinese Dictionary

6. 《论》、《孟》是儒家经典。

   《 Lún》,《 Mèng》 shì Rú​jiā jīng​diǎn.

   The 'Analects' and 'Mencius' are Confucian classics.

   Source: Dong Chinese Dictionary

7. 层论是代数几何的重要基础。

   céng lùn shì dài​shù jǐ​hé de zhòng​yào jī​chǔ.

   Sheaf theory is an important foundation of algebraic geometry.

   Source: Dong Chinese Dictionary