bait

渔民在鱼钩上放了小鱼作为诱饵。

The fisherman put small fish on the hook as ___bait.

我们在鱼钩上放了面包屑作为诱饵。

We put bread crumbs on the hook as ___bait to catch fish.

那些优惠券只是诱饵，目的是让你购买更多商品。

Those coupons are just ___bait to get you to buy more products.