longbridge-business-query Main business composition and operating data for Longbridge-covered companies — segment revenue breakdown, gross margin by business line, and key operating metrics (ROE / ROA / ROIC / working capital turnover). Response language : match the user's input language — Simplified Chinese / Traditional Chinese / English. When to use Trigger when the user asks about: - Revenue / gross profit breakdown by segment — "苹果各业务收入占比" , "腾讯主营业务构成" - Gross margin by business line — "苹果硬件和服务毛利率对比" - Operating efficiency metrics — "AAPL 的 ROE / ROA" , "京东 ROIC" - Business model composi…