Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
By this time, a Lancaster bomber in reasonable condition was rare and worth rescuing.
到了那个时候,状况良好的兰开斯特轰炸机实属罕见,值得抢救。