promotional items短语⁵⁶⁹⁹⁶ 基本例句 赠品 This is tiny in a time when megabytes are given away in memory sticks as promotional items but, over hours of continuous operation, even such small losses can cripple an application. 在记忆棒增量分发数兆字节内存时，一次泄漏是微不足道的，但是连续操作数小时后，即使如此小的泄漏也会削弱应用程序。 ibm