it means our diligence is multi-dimensional
http://www.violinist.com/blog/superiorviolins/20153/16675/ https://youtu.be/d88KUkvRQOU https://youtu.be/ppGxSt49hRY
Same with caviar
http://www.aljazeera.com/video/news/2017/03/china-establishes-largest-caviar-producers-170331113335014.html
http://www.thatsmags.com/beijing/post/17511/the-world-is-eating-chinese-caviar-and-doesn-t-know-it