"marketing this product will be no picnic"
"We picnicked near the lake on this gorgeous Sunday"
误 Weather permitting, we'll go to a picnic tomorrow.
正 Weather permitting, we'll go on a picnic tomorrow.
正 Weather permitting, we'll go for a picnic tomorrow.
析 “去野餐”应该说go on a picnic或go for a picnic,但不能说go to a picnic。