In November 2017, Advisor Perspectives published an article said that in addition to the improvement of fuel efficiency, petrol consumption decline is due in large part to the following factors: the ageing staff away from the workplace; The home office model is developing more and more; Social media takes the place of face-to-face communication, and travel is unnecessary. More and more young people are no longer driving their cars. And urban population growth accelerated, reducing per capita gasoline dependence. In addition to the formal "perfect" in the new classical market concept, the new classical theory has not added new meaning to the classical theory. That is to say, under the new classical "perfect" mathematical model under the skin, it is still classical free laissez-faire order, "new" is "new" in the form. And the form of depth at the expense of perfect at the expense of the thoughts, general equilibrium model of fine arbitrarily abstract away the activities of the "personal pursuit to satisfy desires to promote social welfare" logic support. 2. P45 forms are in four parts, part 1 is retained with the issuing employer and the employee retains part 1 A and may hand parts 2 and 3 for the new employer. The new employer cannot make use of the P45 tax details unless both parts are given over. If either part 2 or 3 with the P45 form is missing then this employee must be asked to complete the Inland Revenue P46 form. (3) monetary benefits -- increase the monetary value of assets. There are both measurable and unquantifiable benefits in these three different forms of income. Among them: mental income is too strong to measure, monetary gain is easy to measure because of the static concept of value change. Economists, therefore, focus only on actual earnings. All of the cameras reviewed below have the standard features - Exposure Control (Bulb, Manual, Shutter-priority, Aperture-priority, Auto, Depth of Field), Shooting Modes (Close-up, Landscape, Sports, Portrait and Night), Metering Modes (Spot, Partial, Evaluative, Center-weighted), shoot in RAW, RAW+JPEG and JPEG, White Balance Control and Exposure Compensation. Most offer an 18-55mm, f/3.5-5.6 kit lens as standard.