Sometimes this can lead to a sudden breakthrough—as when Richard Nixon went to China or Yitzhak Rabin dropped his refusal to talk to Yasser Arafat.

有时这样做会带来意外的突破—就好像理查德·尼克松访问中国或者是伊扎克·拉宾改变主意和亚西尔·阿拉法特会谈。