1·The new speed limit on this road becomes effective from 1 June.
这条路上新的限速规定自6月1日起生效。
—— 《牛津词典》
2·When is the contract effective from?
合同什么时候开始生效？
3·This Agreement is effective from the Effective Date.
本协议自生效日起生效。
4·The patent right will become effective from the date of authorization proclamation.
专利权自授权公告之日起生效。
5·So we must direct kids to use educational affiliation more effective from junior class.
因此，从低年级开始，我们就应该指导孩子，让他们有效地操作学具。
6·The validity period of your visa and residence permit ratified is effective from the applying date.
经批准给您签发的签证、居留许可的有效期从受理申请之日算起。
7·Article 30 An oral mediation agreement shall become effective from the date when the parties concerned reach the agreement.
第三十条口头调解协议自各方当事人达成协议之日起生效。
8·Objective: to promote effective from the sputum, for the treatment of respiratory inflammation from active and effective role.
前言：目的：有效促进痰液的排出，为呼吸道炎症治疗起积极有效作用。
9·The midfielder was ceaseless in his running from deep, proving equally effective from both flanks and in his preferred role behind the strikers.
这位中场不停地纵深奔跑，在两个边路都表现出相等的高效，他的首选位置是打前腰。
10·It will be effective from May 2005, in time for the club's Centenary Season and a special Centenary version of the badge will be used during that year.
它将会在2005年5月开始使用。到时将面临切尔西的世纪庆典，而且这一年会使用特殊的世纪版标志。