填空题 As we are now only at the get-acquainted stage, we deem it rather(18)to take into consideration the matter of sole agency． In our opinion, it would be better for both of us to try out a period of cooperation to see how things prove． Also, it would be necessary for you to test the(19)of our products at your end and to continue your efforts in building a larger turnover to(20)the sole agency arrangement．