karleenchan 发表于 2015-2-28 23:28 
Sure, but the causes must be very very very...... complicated!
Yes, I do agree with you.
We (I mean right person) need courage to do the right thing, otherwise,
history is to repeat itself again and again.
Unfortunately,
brain is created for maximizing our survival possibility not optimizing our long term interest.
It's human nature.
Everyone knows its consequence,
however, it's impossible for anyone to prevent it from happening.
This keeps repeating thousands years.
Take it easy since we already know what's going to happen.
Thank you again for your response.
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