```json
{
"prompt": "A detailed and informative illustration showcasing a graph with a rising line representing the Consumer Price Index (CPI) over time. The graph is set on a clean, professional background with a grid to indicate the measurement of price changes. The line on the graph is colored in a vibrant blue, with key points highlighted to show significant increases or decreases in the index. Surrounding the graph are icons of various consumer goods such as a shopping cart filled with groceries, a house, a car, and a gas pump, symbolizing the different categories of goods and services that are tracked by the CPI. The style is professional and educational, suitable for a dictionary or textbook, with a focus on clarity and accuracy. Ensure no text is included in the image to avoid any potential errors.",
"explanation": "這幅插圖展示了一個圖表,圖表中的藍色曲線代表消費者物價指數(CPI)隨時間的變化。圖表背景乾淨專業,並配有網格以標示價格變動的測量。曲線上的關鍵點被突出顯示,表示指數的顯著上升或下降。圖表周圍環繞著各種消費品的圖標,如裝滿食品的購物車、房子、汽車和加油站,象徵著CPI所追蹤的各類商品和服務。這樣的設計不僅能夠吸引學生和學華語的人士,也能有效地傳達“消費者物價指數”的概念和用途。",
"alt": "消費者物價指數的插圖,展示了一個圖表和各種消費品的圖標",
"title": "消費者物價指數的插圖,展示了一個圖表和各種消費品的圖標,表示消費者生活費用漲落的情形。"
}
```