Subject + 如何
如何 (rúhé) is a formal way to ask "how" or "what about," often used in written language or formal speech. It functions similarly to 怎么样 but carries a more literary tone. It typically appears after a subject to ask about the manner, method, or condition of something.
这个问题如何解决,大家有什么想法?
Zhège wèntí rúhé jiějué, dàjiā yǒu shénme xiǎngfǎ?
How should this problem be solved? Does anyone have any ideas?
你觉得目前的经济形势如何?
Nǐ juéde mùqián de jīngjì xíngshì rúhé?
What do you think of the current economic situation?
如何提高学习效率是很多学生关心的话题。
Rúhé tígāo xuéxí xiàolǜ shì hěn duō xuéshēng guānxīn de huàtí.
How to improve study efficiency is a topic many students care about.