症结crux;crucial reason;core problem
中日关系的～在于靖国神社问题。The key obstacle to (or the crux of)China-Japan relations was the visit to the Yasukuni Shrine.or:The difficulties in the China-Japan relationship boiled down to the visit to the Yasukuni Shrine./这就是问题的～所在。Herein lies the crux of the problem (or the matter).or:This is where the trouble lies./解决地区冲突所面临的主要～the main sticking point to the settlement of regional conflicts |