It would be an ideal occasion for a party.这将是举办聚会的绝佳时机。

It avoided so many of the occasions for awkwardness that seemed to occur when they were face to face.这避免了很多让他们面对面的场合, 免去了尴尬。

For the girls, nature study was an occasion for lazy walks.对女孩子而言, 自然课是可以慵懒地散步的机会。