求翻译：提高沟通能力需要一些基本功(表达、演讲、倾听，反馈)，不是一天两天能建立起来，需要一个学习和积累的过程，需要进行大量的训练。是什么意思？

Improve communication skills need some basic skills (expression, speech, listen, feedback), not one or two days to build up, needs a process of learning and accumulation, need extensive training.