请用英文详细解释下列单词意思并给出例子,谢谢．

1.Consumption:the act of using energy,food or
materials; the amount used:
例句：Gas and oil consumption always
increases in cold weather.
2.Gross private domestic investment:total
investment from private sectors within a
country
例句：More specifically net private domestic
investment is found by subtracting the
capital consumption adjustment from
gross private domestic investment.
3.Government consumption and investment
purchase:The buying of goods and services
by the government and the expense paid in
order to attract investment.
例句：New rules must be made to regulate
Government consumption and investment
purchase.
4.Government transfer payment:public utility
expenditure *用于失业救济等公共事业方面的开
支)
例句：The government transfer payment
practices in China evolve along with
the entire.governmental fiscal system.
5.Export:the selling and transporting of goods
to another country,or a product that is sold
to another country:
例句：Export licences for arms are strictly
controlled.