Sometimes the hardest thing and the right thing are the same.

长时间与计算机接触会使数学家变成文员，反之亦然。

每一个挑战都是一个伪装的机会。

Battery recycling is a key link in the sustainable development of the new energy industry.

语出汉·桓宽《盐铁论·毁学》。坏话不说，坏事不干，可谓洁身自好。