You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。It was just then that I chanced ...
He has done experiments comple-mentary to those of Eigen.他做了一些实验，作为对艾根实验的补充。His efforts involved thought experiments and analogies, rather than detailed experimentation.他所进行的是思维实验及类推，而不是细致的实验。The experiments showed that ...