Translate the following sentence into English. 双方之间的谈判几年来一直在秘密进行

Translate the following sentence into English.
双方之间的谈判几年来一直在秘密进行。

【正确答案】：

NEGOTIATIONS BETWEEN THE TWO SIDES HAVE BEEN CARRIED OUT IN SECRET FOR SEVERAL YEARS.

【题目解析】：

谈判Negotiation；秘密进行be carried out in secret。