21.  As a student who majors in English, we can't just focus on the language itself.

22.  then let's focus on the negative effect .

23.  If we focus on one major purpose: to hasten the death of terminally ill patients, to relieve the terminally ill patients' pain and relieve a heavy burden for the hospital and the patients' families, we May approve of the practice of euthanasia.

24.  We were all like defeated soldiers with our heads down and eyes focusing on our shoes.

25.  When the programm finishes, they don't want to think more about the problems offered by the programm On the contrary, they focus on the interesting pictures and stories on TV.

26.  Our environmental policy focuses on putting prevention first and combining prevention with treatment.