采用的办法
3.If the "one country, two systems" approach is adopted, not only would China be reunified, but the interests of the United States would remain unimpaired. 
5.Mary could not afford to pay for the coat all at once, so she used the lay-away plan.
7.since we are short of foreign exchange, the option, which often comes to my mind recently is to undertake compensation trade.
8.A high-pressure salesman will try every possible means to make you buy what he wants to sell.
9.We have chosen the peaceful transformation of capitalist industry and commerce.
