主要 + Noun / 主要 + 的 + Noun
The adjective 主要 (zhǔyào) means "main," "primary," or "principal" and is used to highlight the most important element among several. It typically modifies a noun directly or appears before 的 to form an attributive phrase.
我们先讨论一下主要问题吧。
Wǒmen xiān tǎolùn yīxià zhǔyào wèntí ba.
Let's discuss the main issues first.
这次旅行的主要目的是放松心情。
Zhè cì lǚxíng de zhǔyào mùdì shì fàngsōng xīnqíng.
The main purpose of this trip is to relax.
价格是顾客考虑的主要因素。
Jiàgé shì gùkè kǎolǜ de zhǔyào yīnsù.
Price is the main factor customers consider.