With any kind of historical research, especially recent or contemporary, for which many of the people involved are still alive, it is comparatively easy to be coolly objective. Yet it is also, therefore, difficult to get a true picture and description.
答：任何歷史研究，特別是近、現代史，因為很多當事人還在，要做到冷靜客觀比較容易，要達到真相真貌則難。