挑战不在于再次试图“重启”双边关系，而是（在乌克兰危机消弭后）找到一个基础，让双方可以在利益重叠之处合作。
The challenge is not to try again to “reset” bilateral relations, but rather to find – once the Ukrainian crisis abates – a basis on which the two sides can collaborate where their interests overlap.