ㄎㄞkāiㄓㄢˇzhǎn

  1. 開闊推廣大家一致努力開展業務使得公司業績蒸蒸日上。」

to launch, to develop, to unfold, (of an exhibition etc)​ to open
développer, déployer
entfalten, durchführen, entwickeln (V)​