短語詞組短語trackable integer 可點(diǎn)選物件Online Trackable 網(wǎng)上可追蹤T Trackable 跟蹤的Trackable Service 可追蹤的服務(wù)Results must be trackable 事事必須跟蹤結(jié)果Result must be trackable 結(jié)果一定要可以被追蹤Trackable & time bound 時(shí)效跟催Timely and Trackable 可追蹤的l T Trackable 可以跟蹤的 返回 trackable