The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage.By Frank Holmes NEW YORK ( U.S. Global Investors) -- Wine expert and social media guru Gary Vaynerchuk attributes his ability to detect subtleties in wine that others might not recognize because of his unique taste-testing as a teen. Because drinking wine was illegal, he says he tasted the flavors associated with wine instead. He not only ate fruits and vegetables, but also chewed on chunks of grass, dirt, tobacco and wood so he could learn to recognize the complex flavors that wine has to offer. For investors, an appreciation of China requires a similar comprehensive analysis. One significant subtlety that seems to be overlooked by investors today is China's macro policy strategy.