* Converts colour from XYZ space to sRGB colour represented as a triple of
Фото: 2026 Planet Labs PBC / Reuters
，更多细节参见雷速体育
聚合模式进一步放大了这一问题。聚合平台并不直接创造新的交易空间，而是在既有平台之上叠加新的分发层级。每一层抽成都各自合理，但多层叠加后，整体利润空间被显著压缩，使抽佣的边际收益更早触及上限。
I think if += would always have to make a copy, I would have opted to not support it for lists at all and just say .extend(), which does work in that tuple case.