运作的

operational

1. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
   Operating by means of suction or by maintaining a partial vacuum.
2. 英国司法运作的前提是被告在被证明有罪之前是清白的。
   British justice works on the premise that an accused person is innocent until he's proved guilty.