Gertrude now clearly felt that she had obtruded her sorrow.格特鲁德此时明显察觉自己的悲伤情绪已影响到他人。He felt a great weight of sorrow inside him.他内心感到极为沉痛.As he looked at Katherine, great sorrow clouded his eyes.他看着凯瑟琳，满眼忧伤。...
The bottom line, he said, is that altruism may rely on a basic understanding that others hae motiations and actions that may be similar to our own.他说, 底线是利他主义可能是基于这样的基本认识:别人也有和我们自己近似的动机和行为.The scrapie agent in sheep may ...