11.  Otherwise, it is impossible for human beings to memorize so much information about each individual, which would highly possibly cause a decline in human evolutionary history.

12.  To get a high mark \

13.  Otherwise, it will be easy for the readers to lose heart.

14.  Otherwise, a student should focus on his learning and give up seeking love.

15.  Thereby, we must use them frequently, otherwise we will forget it quickly even though we memorize them firmly now.

16.  when people can deal with them pefectly, they can make up a happy life, otherwise, they may have a side effect on people's life.

17.  Every group must have some boundaries, for there would otherwise be no way of distinguishing between members and nonmembers.

18.  Otherwise reading English books will be a tough experience.

19.  Otherwise, we can only memorize them for a short time like for test, but it is not a long term.

20.  Otherwise, translating can also help you find your own way to "feel" this language and figure out the difference between English and your mother tongue.