在过去，我们必须斟酌平衡自己的饮食，但现在我们正在打破这种平衡。

In the past we had to have a taste trade-off, but we're breaking that trade-off.

youdao

其影响在过去被认为是微不足道的，但现在研究人员表示，这一变化将大到足以让人们在解释地球摇晃的原因时必须把它考虑进去。

The effect was previously thought to be negligible, but researchers now say the shift will be large enough that it should be taken into account when interpreting how the Earth wobbles.

youdao

不过，到了一定时候，你必须停止把眼光放在过去，而是要专注于现在。

But 'at some point you have to stop focusing on the past, and focus on the present.'

youdao