... presence is always wasting time on trivial matters. One, of course, can relax and entertain such as chatting, listening music …during studying, but time he spend working accounts for a little ... points and principles. From that base, the research can build the valuable points. This also helps to point out the requirements of ESP which mean hard-working. The second one was used to find ... to study, doing important things first, arranging space to learn…They, however, were attracted to time-wasted things, did not have detailed plans, their time remained illogic arranging…Therefore,...