1 . 看一看他们的新方案，就显得我们的过于保守了。
When you look at their proposal, ours seems very conservative ________.

2 . 没有医生能提出更好的解决方案。因此，病人不得不接受保守疗法。
No doctors could come up with a better solution. ______ ______ ______, the patient had to receive conservative treatments.

3 . Chinese military medical scientist Chen Wei together with her colleagues has developed various vaccines (疫苗) by ______ ______ ______.(根据句意填空)

4 . 奥林匹克运动为和平而生，因和平而兴。
The Olympic Movement was born ________ peace and has thrived thanks to peace.