lawful trade的用法和樣例：
例句
- After china open its procurement market, more attention should be taken on those uncompetitive manners because they are legal trade vallation.
待政府採購市場對外開放之後，再給予那些限制競爭的採購方式以更多的關注，發揮它們的合法貿易壁壘的作用。 - The Chinese are advocating tiger farming to supply a legal trade that would stem poaching from India, protect wild tigers and supply ingredients for traditional Chinese medicine.
中國方面提議對老虎進行飼養，以滿足合法貿易的需要，此舉可能扼制來自印度的盜獵行為，保護野生虎，並為中藥提供藥材。
