20140918

Today's expression ======================================

- A lot of problems of teenagers result from the fact that their parents are too generous. -> A lot of problems with teenagers // too permisive
- The point is that women continue to be considered the second-rate citizen. (be regarded as)
- The underlying idea of renovation (the reform) is even(fair) distribution of wealth.
- There is no doubt that production will be stepped up before long.
- There is no sense in going on strike.
- Customs varies from place to place.
- The book has great flexibility of use.
- This movie begins with a woman's death and ends with her revenge.
- I am very good at fixing  mechanical things.
- First of all, it is important to know what your aptitude is.
- South America is roughly triangular in shape.

- In this regard, eating food is one of the greatest pleasure in life.
- There is no point in improving the situation. trying to improve the situation.
- Personally, I believe Korea will face the challenge successfully.
- The point is that skyscrapers should mus not spoil the landscape.
- The underlying idea of the novel is the family value.
- The method of cooking varies from place to place. Cookery 
- Notebook computers have great flexibility of use.
- I am very good at making friends with strangers.
- It is important to know what your strong point is.
- The observation tower is roughly triangular in shape.

How to recover an error "Sudo mode cann't change"
- Go to recovery mode
- mount -o remount rw /                     = change read-write mode
- chown root:root /usr/lib
- reboot