key word

柯林斯詞典

1. N-COUNT You can refer to a word or phrase as the keyword when you want to emphasize how important it is. 關鍵字[oft 'the' N]
Collaboration was the keyword: editors, designers, picture researchers and production staff worked closely together. 郃作是關鍵字：編輯、設計師、圖片研究員及制作員工緊密郃作。
...codes of conduct and ethical trading – the new keywords of the fair trade movement. ...這場公平貿易運動的新關鍵字-行爲準則和道德貿易。
2. N-COUNT A keyword is a word or phrase that is associated with a particular document or that describes the contents of a particular document, for example, in Internet searches. (如在因特網搜索中與某一特定文件相聯系或描述了特定文件內容的)關鍵字
Users therefore can search by title, by author, by subject, and often by keyword. 所以用戶們可以根據標題、作者、主題，經常是關鍵字來搜索。