这个自动售货机只接受5角和1元的硬币。

This vending machine only accepts ___50-cent and one-dollar coins.

我最喜欢的50美分的歌曲是《In Da Club》。

My favorite song by ___50 Cent is 'In Da Club'.

在项目决策过程中，他的建议毫无价值。

His suggestions are just ___50-cent in the project decision-making process.