跪求下列专业英语名词的解释,解释也要用英语啊!

full employment:when everyone who wishes to work at the going wage-rate for their type of labor is employed
unemployment: the loss of one's job
price fluctuation:the price goes ups and downs
trade protectionism: the economic policy of restraining trade between states, through methods such as tariffs on imported goods, restrictive quotas, and a variety of other government regulations designed to discourage imports, and prevent foreign take-over of native markets and companies
import quota:An import quota is a type of protectionist trade restriction that sets a physical limit on the quantity of a good that can be imported into a country in a given period of time

摘自“维基”及“自由”
In macroeconomics, full employment is a condition of the national economy, where all or nearly all persons willing and able to work at the prevailing wages and working conditions are able to do so. It is defined either as 0% unemployment, literally, no unemployment (the rate of un