before-and-after?尖銳對照;情況變化前和情況變化後
You'll find lots of examples of great press releases, a variety of writing styles and even before-and-after press release makeovers.
您可以找到很多的例子，偉大的新聞稿，各種各樣的寫作風格，甚至前後新聞稿。
Listing 1 shows an example of an aspect class defining a pair of methods intended to be used as before-and-after advice on a method call.
清單 1 顯示了壹個 aspect 類的例子，它定義了在方法調用上，將被用作前 advice 和後 advice 的兩個方法。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
檢索到與臨床功效和安全性相關的兩個隨機對照試驗(RCT)、壹個前後對照研究、兩個回顧性報告,以及18個藥物動力學研究
參考資料
李華駒.21世紀大英漢詞典.北京：中國人民大學出版社 ，2005-2-1?