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the markets in the U.S. are still influenced by the big corporations the U.S. government has made great efforts to control the markets customers in the U.S. are satisfied with the attitude of the government towards big corporations it has been easier for the markets in the U.S. to develop
(H1N1).A.reports has reported is reported was reported
减少固体废弃物污染 减少大气污染 减少水污染 减少土壤污染
as the Chinese government has made has the Chinese government made that the Chinese government has made that has the Chinese government made as
the government has stopped giving public institutions as much financial support as it used to America has always been encouraging young people to go to college many public institutions have replaced private ones the government only finances such researches as that or placing man on the moon
allows to buy to allow to buy to be allowed to buy to be allowed buying
Both private employers and government employers discriminate, with equal effects on women's earnings. If private employers and government employers discriminate, the discrimination by private employers has a greater effect on women's earnings. Private employers discriminated it is possible that government employers discriminate. Private employers discriminate; government employers do not discriminate.
as the Chinese government has made has the Chinese government made that the Chinese government has made that has the Chinese government made as
has been fallen down has been increased has been reduced has been risen
每个污染者等量地减少其污染。 减少污染成本最低的污染者减少的污染量最多。 不能容忍环境的污染。 管制者决定每个污染者应该减少多少污染。