First of all, I am not an expert on matters on different economic systems, but in my normal social intercourse with my friends we discussed matters like that. ↗
Japan and China are isolated and without intercourse with other countries; hence the President directed me to attend to or watch the state of affairs in China also. ↗
It is a sign of a dull nature to occupy oneself deeply in matters that concern the body; for instance, to be over much occupied about exercise, about eating and drinking, about easing oneself, about sexual intercourse. ↗