暴躁: irascible, irritable, violent...
亿: 100 million...
夏季: summer...
茂盛: lush...
奏效: to show results, effective...
本色: natural color...
嫩: delicate; tender...
礼尚往来: proper behavior is based on reciprocity (idiom), to return politeness for politeness...
否则: if not, otherwise, else, or else...
来自: (in email header)...
