Action + 以 + Purpose
以 (yǐ) means "in order to" or "so as to" in formal or written Chinese. It introduces a purpose clause, indicating the reason or goal behind an action. It is more literary than 为了 and appears frequently in news and academic writing.
学校组织了课外活动,以丰富学生的校园生活。
Xuéxiào zǔzhīle kèwài huódòng, yǐ fēngfù xuéshēng de xiàoyuán shēnghuó.
The school organized extracurricular activities to enrich students' campus life.
他每天早起跑步,以保持身体健康。
Tā měitiān zǎoqǐ pǎobù, yǐ bǎochí shēntǐ jiànkāng.
He gets up early every day to run in order to stay healthy.
公司调整了策略,以适应市场的变化。
Gōngsī tiáozhěngle cèlüè, yǐ shìyìng shìchǎng de biànhuà.
The company adjusted its strategy to adapt to market changes.