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Efficiency is doing things right; effectiveness is doing the right things.
没有听到的不如听到的,听到的不如见到的,见到的不如了解到的,了解到的不如去实行,学问到了实行就达到了极点。
The reaction of weak management to weak operations is often weak accounting.
Lithium-ion batteries revolutionized portable electronics, but we must push beyond their limitations.