In view of our longstanding business relationship, we can conclude the transaction.
鉴于你我双方的长期贸易关系,我们可以做成这笔交易。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。