Rosner is not yet totally convinced the campaigns are effective, but he thinks the experiment is promising.

不过Rosner并不完全相信这些宣传活动会奏效，但是认为这种尝试还是有前途的。

youdao

Rosner is not yet totally convinced the campaigns are effective, but he thinks the experiment is promising.

不过Rosner并不完全相信这些宣传活动会奏效，但是认为这种尝试还是有前途的。

youdao