provisional charter

例句：

1. 1. The projectis provisional until the final approval isreceived.
   该项目在最终批准收到之前是临时的。
2. 2. The company has made a provisional decision to postpone the meeting.
   该公司已临时决定推迟会议。
3. 3. The provisional agreementwas signed by both parties before the formalcontract was signed.
   正式合同签订前，双方签署了临时协议。