The invention was a collective effort. 那项发明是集体努力的成果。
That's why Secretary of State Baker and Treasury Secretary Brady have met with many world leaders to underscore that the burden of this collective effort must be shared. 这就是为什么贝克国务卿和布雷迪财政部长已经同许多世界领导人会昭,强调这一集体努力的负担必须由大家分担。