About the discussion class yesterday, there are some feelings. The purpose of everyone asks questions is to let them understand this method, can promote the tenders to solve the problem clearer, and improve the ability to explain the problem; not there should be difficult, such as difficult Unhealthy thorns of the teachings. That is to raise a purpose of explaining levels and understanding! In fact, it is optimistic about things in life. It works from everything to draw the positive impact and benefits. Today, the program is mainly compiled, completely see the documentation of SC, and separate useful blocks.