liaison circuit with semi-automatic blocks

例句：

1. 1.The team needs to maintain good liaison with the clients.
   团队需要与客户保持良好的联系。
2. 2.The liaison between the two countries has been improving steadily.
   两国之间的联系一直在稳步改善。
3. 3. The liaison officer was responsible for arranging meetings between the two parties.
   联络官负责安排双方的会议。