translation.en: And another thing that's really interesting is that there's this whole -- the way tumors move throughout the body, it's a very complex system -- and there's something called the chemokine network.
translation.zh: 另一件很有趣的事情是， 肿瘤在全身的移动 是一个非常复杂的系统，包含所谓的”趋化因子网络“。