至于 + New Topic, + Comment
至于 (zhìyú) means "as for" or "regarding" and is used to shift the topic to a related but different subject. It is typically placed at the beginning of a new clause or sentence to introduce the next point of discussion.
至于明天的安排,我们到时候再说吧。
zhìyú míngtiān de ānpái, wǒmen dào shíhòu zài shuō ba.
As for tomorrow's plans, let's talk about it when the time comes.
这件事我同意,至于价格,还需要再商量。
zhè jiàn shì wǒ tóngyì, zhìyú jiàgé, hái xūyào zài shāngliang.
I agree with this matter; as for the price, we still need to discuss it further.
工作的事已经定了,至于住哪里,我还没想好。
gōngzuò de shì yǐjīng dìng le, zhìyú zhù nǎlǐ, wǒ hái méi xiǎnghǎo.
The work matter has been settled; as for where to live, I haven't decided yet.