HSK 5 · verb · Practice
在于
to lie in; to depend on; to consist in
健康在于每天多运动。
Jiànkāng zàiyú měi tiān duō yùndòng。
Good health lies in exercising more every day.
问题的根源在于大家缺少交流。
Wèntí de gēnyuán zàiyú dàjiā quēshǎo jiāoliú。
The root of the problem is that everyone lacks communication.
问题的症结在于大家不沟通。
Wèntí de zhēngjié zàiyú dàjiā bù gōutōng。
The crux of the problem is that no one communicates.