一個奇怪的事實(shí)是，根據(jù)從生物學(xué)或地球物理學(xué)的角度出發(fā)，對地球史前條件會得出完全相反的結(jié)論，這反映了我們目前知識的不完整狀態(tài)。
The ocean is not just a resource to be exploited, but a delicate ecosystem we must protect for future generations.
The only limit to our realization of tomorrow will be our doubts of today.
I don't need a reason to be bold.