几个商务英语单词的翻译,各位大虾帮忙了!~

barriers(贸易壁垒):
A structure, such as a fence, built to bar passage.
security(证券):
A document indicating ownership or creditorship; a stock certificate or bond.
tariff(关税):
Duties or a duty imposed by a government on imported or exported goods.
anti-dumping(反倾销):
Intended to discourage importation and sale of foreign-made goods at prices substantially below domestic prices for the same items.
deficit(赤字):
The amount by which a sum of money falls short of the required or expected amount; a shortage:
subsidy(补贴):
Monetary assistance granted by a government to a person or group in support of an enterprise regarded as being in the public interest.

barriers(贸易壁垒) :any condition that makes it difficult to make progress or to achieve an objective
security (证券):a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
tariff(关税):a governm