No matter what happens, Mr Trump will continue his frantic campaign to sell information, promote fake news and boast of the "biggest and best" economy of all time. In doing so, he could even create a circus worthy of the Roman emperor. But if the use of advanced words is not enough, he may decide to attack, especially internationally. This could mean a real withdrawal from nafta, trade action against China and other trading partners, or a more stringent immigration policy. Interest rates have a very important impact on the exchange rate, which is the most important factor affecting the exchange rate. We know that the exchange rate is the relative price between the two countries' currencies. Like other commodity pricing mechanisms, it is determined by the supply and demand relationship in the foreign exchange market. Foreign exchange is a kind of financial asset, which people hold because it can bring the benefits of capital. Jeffrey Currie of Goldman sachs analyst and Michael Hinds, wrote in the latest report, the next three months, six months and 12 months of gold prices were at $1225 an ounce and $1200 an ounce and $1225 an ounce. At present, there are 89, 92, 95 and other labels on the market, which represent the octane value of gasoline, which means the anti-detonation of gasoline, which has nothing to do with the cleaning of gasoline. The so-called "high label gasoline is cleaner" is misleading. It is more scientific, more economical, and can give full play to the engine's efficiency according to the engine compression ratio or the requirement of the automobile instruction manual. In 2010, China overtakes Japan being the other world's economy. According to economists, China remains to be a developing country with fast pace of growth. Data released that Japan\'s gross domestic product is $1.286 trillion while it is worth $1.335 trillion for China. Another source demonstrates Japan keeps growing at 2-3 percent in compared with 10 % a year of China.