The nature of the polymer is currently a trade secret.这一聚合物的性质目前是个商业机密。He's accused of misusing $17.5 million from a secret government slush fund.他被指控滥用秘密的政府行贿基金，金额达1,750万美元。The exact locations are being kept secret...
We were trying to keep it a secret from Pete, but Portia spilled the beans.我们尽力不让皮特知道这个秘密, 可是波西娅给说漏了嘴.The Fetishism of the Commodity and its Secret.商品的恋物性质及其秘密〉.She was not the only depositary of the terrible secret.她不是唯...
Tourist numbers from across the pond have dropped dramatically.来自大西洋彼岸的游客数量已急剧减少。The population explodes to 40,000 during the tourist season.旅游季节，人口激增至4万。This money is intended for the development of the tourist industry...