stockpile /ˈstɒkˌpaɪl/
来源词库：CET6
N-COUNT A stockpile of things is a large quantity of them that have been stored for future use. 储备物资，库存
例：The two leaders also approved treaties to cut stockpiles of chemical weapons.
两位领导人也都赞同削减化学武器储备的条约。
Industry officials based in Seoul on Friday expressed concerns about risks related to the sensitivity of such information requested by the US government. “It is unprecedented that a government demands such sensitive information considered as trade secrets,” said an industry official. “The demand would be a significant burden on those companies.”
驻首尔的行业官员上周五对美国政府要求的此类信息的敏感性相关风险表示担忧。一位业内人士表示: “美国政府要求提供被认为是商业秘密的敏感信息，这是前所未有的。”“这种需求将成为这些公司的重大负担。”
unprecedented [ʌnˈpresɪdentɪd]
adj. 前所未有的; 空前的; 没有先例的
记忆技巧：un 无 + precedent 前例 + ed 表形容词 → 史无前例的
来源词库：TEM8
例：The situation is unprecedented in modern times.
这种情况在现代还没有出现过。
trade secret [ˌtreɪd ˈsiːkrət]
n. 商业秘密
英文释义：a secret piece of information that is known only by the people at a particular company
例：The recipe for their drink is a closely guarded trade secret.
他们饮料的配方是严格保守的商业秘密。
The nature of the polymer is currently a trade secret.
这一聚合物的性质目前是个商业秘密。
trade [treɪd]
n. 贸易; 买卖; 商业; 交易;
来源词库：CET4 CET6 考研英语 BEC
例：The company has been expanding its customer base using trade magazine advertising.
公司一直通过在商业杂志上刊登广告扩展客户群。
Trade discounts may be used as a competitive stratagem to secure customer loyalty.
商业折扣可以用作维护顾客忠诚度的一种竞争手段。
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