Q: You chose not to get embroiled in the dam debate, but set off in search of the headwaters instead. Of what help is this to readers in understanding the practical problems the Yangtze faces today?
問：您選擇了不介入長江建壩的爭論，著重追溯長江源頭，這樣的寫法，對讀者瞭解目前長江面臨到最現實的問題，有何幫助？