Bed of roses and Life of luxury

Bed of roses noun - A flower bed in which roses are growing.

Life of luxury and bed of roses are semantically related In some cases you can use "Life of luxury" instead a noun phrase "Bed of roses".

Bed of roses and life of luxury are semantically related in affluence topic. You can use "Bed of roses" instead a noun phrase "Life of luxury", if it concerns topics such as prosperity, financial security.