But confrontation is not the whole story. Promising steps have been made in two critical areas: nuclear non-proliferation, especially through the nuclear deal with Iran, and the fight against climate change, exemplified in the encouraging preparations for the current climate summit in Paris.
但冲突并非故事的全部。在两大关键领域有了令人振奋的进展：核不扩散（特别是通过伊核协议）以及遏制气候变化（眼下的巴黎气候峰会所呈现出的鼓舞人心的准备工作就是明证）。