The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure. Attract capital and people What the central bank can do to prevent the threat to its independence becomes more transparent. They can announce the votes of individual board members on all matters related to the policy and publish the minutes without delay. They can hold more press conferences and be less trite in explaining their policies. They can avoid debate on issues far from their task. They can admit that politicians have a right to determine the central bank's mission objectives. At this year's Shanghai international wine and spirits trade exhibition, we found more and more Brazilian exhibitors. It is believed that with the deepening of china-pakistan economic and trade relations, Brazilian wines can make a big difference in the Chinese market. Late last year, as Brazil's wine industry "leader" of the aurora winery has completed a total for the Chinese as much as 2.16 million barrels of wine export agreement, broke the single export record the wine industry in Brazil, which may be the trend of arguments. Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. From the end of the 19th century to the early 20th century, car designers focused their energies on the development and innovation of mechanical engineering. First half of the 20th century, all about the basic structure of the car has been invented, automotive designers begin from the outside to improve on modelling, and successively introduced the aerodynamics, fluid mechanics, human body engineering and industrial modelling design (industrial aesthetics), etc On Wednesday, the U.S. house of representatives passed a revised republican tax reform bill. U.S. President Donald trump has called the tax reform a historic victory, and lower regulation would be good for the economy. The tax reform bill is the largest U.S. tax reform in three decades and the first comprehensive tax reform.