该公司发起了一场全面的广告活动来推出其最新智能手机。

The company launched a comprehensive advertising ___campaign to introduce its latest smartphone.

这位候选人的竞选活动强调经济政策和创造就业。

The candidate's election ___campaign emphasized economic policies and job creation.

为了减少交通拥堵，该市发起了一场鼓励使用公共交通的宣传活动。

To reduce traffic congestion, the city launched a publicity ___campaign encouraging the use of public transport.