贝斯（Bass） 贝斯是乐队中一般必不可少的乐器之一，它在爵士乐队中主要担任低音声部，有时也作即兴独奏。传统爵士乐一般都采用原声贝司（即低音提琴）来体现它的原始风味。而在...

Then, we should understand what we are influenced. In terms of human rights, Chinese international image has been not good. We do not rule out some man-made factors that slander Chinese image. But we can not deny that what the foreigners kno...