Without vivisection many of the recent anti-cancer advances simply would not have been made.不做动物活体实验的话，许多最新的抗癌方面的医疗进展是不可能取得的。I'm not against vivisection, but obviously we all want to avoid animals suffering unnecessarily.我不反对动物活体试验，但显然我们都想要避免让动物遭受不必要的痛苦。