这部小说情节复杂，需要读者一步一步推理。

Zhè bù xiǎoshuō qíngjié fùzá, xūyào dúzhě yíbù yíbù tuīlǐ.

The plot of this novel is complicated and requires the reader to reason step by step.

根据这些线索，我们可以推理出嫌疑人的大致身份。

Gēnjù zhèxiē xiànsuǒ, wǒmen kěyǐ tuīlǐ chū xiányírén de dàzhì shēnfèn.

Based on these clues, we can reason out the suspect’s general identity.

推理能力的培养，对学习数学和科学都很重要。

Tuīlǐ nénglì de péiyǎng, duì xuéxí shùxué hé kēxué dōu hěn zhòngyào.

Developing reasoning ability is very important for learning math and science.