seasonal

翻译：很多旅游目的地都有旺季和淡季，旺季往往会雇佣不少季节性工人。

When the tourist season is coming，the destination has hired many seasonal workers.

参考翻译：High season and low season mark many tourist destinations, which tend to hire a good number of seasonal workers. 或 Many tourist destinations have high season and low season, and tend to hire a decent amount of seasonal labor during high season.

造句：商场卖的衣服都不是应季的，春天的时候就开始上新夏天的衣服了。

The mall clothes are not seasonal，spring rolls out the summer clothes new.