如果天气允许的话，我们将在树林里野餐。
1, We will have a picnic in the forest if the weather permits.
2, Weather permitting, we will have a picnic in the forest.
如果天气允许的话，我们将在树林里野餐。
1, We will have a picnic in the forest if the weather permits.
2, Weather permitting, we will have a picnic in the forest.