Yet, thinks Professor Catling, amid this wild desolation, Darwin began to hatch a plot.

卡特林教授认为，恰恰于此狂野荒凉中，达尔文突发奇谋。

Professor David Catling of the University of Washington, Seattle, is retracing Darwin's travels for a new book.

华盛顿大学西雅图分校的大卫卡特林教授正为一本新书重溯达尔文的旅行。