1 For all his profound knowledge,he does not know how to deal with the situation which arises from this biotechnoloby.
2 The more lower in level a manager is,the more time he has to spend on non-management duties.
3 Please allow me to congratulate you on your success.
4 In any case,before we can work out a scientific appraisal on how human beings affect the environment,there is still a long way to go.
5 Mountains play a role in stabilizing the outer shell of the earth.
人工翻译