The agreement principle from thepersonintheknow has already not been suitable in modern medical research, and should be replaced by the contract principle from thepersonintheknow.
知情同意原则已经不适应现代医学研究，而应为知情契约原则所代替。
2
If you know someone is coming up behind you to attack, turn toward theperson with your hands up in front of your body and loudly say "stop" before walking away.
如果你知道有人从你后面走过来要攻击你，把手举到身前，转身大声说“停”，然后走开。
3
Friendships are not made in a day, and the computer would be more acceptable as a friend if it simulated the gradual changes that occur when one person is getting to know another.