The new company logo features three concentric circles in blue, green, and gray.

公司的新標誌由藍、綠、灰三個同心圓組成。

Please mark the delivery zones on the map as concentric rings around the warehouse.

請在地圖上以倉庫為中心，用同心圓標出各個配送區域。

The hotel lobby floor is decorated with concentric patterns that guests often photograph.

飯店大廳的地板飾有同心圖案，房客常常拍照留念。