If you needto change money, it is better to do this while you arestill at the airport.
如果你须要兑换，当你还在机场时兑换会比较好。

Soviet officials were reluctant to seek much outside assistance whilestill trying to pretend that not much had happened.
苏联官员不愿寻求外部帮助，表现得似乎平安无事。

So I think hestills feels very emotionally tied to the Institute.
所以我想他跟加州理工仍有感情上的牵连。