如果天气允许，我们明天去徒步。

We'll go for a hike tomorrow, weather ___permitting.

如果预算允许，我们计划翻新办公室。

We plan to renovate the office, budget ___permitting.

如果时间允许，我会参加那个会议，因为它是个很好的社交机会。

I'll attend the conference, time ___permitting, as it's a great networking opportunity.