多样性不仅是道德要求，也是商业需求。

Sustainability is no longer an option; it's a necessity for the future of leather tanning.

The development of robust learning algorithms requires a deep understanding of the underlying data distribution.

过去总是在我们的生活中存在，塑造着我们的未来。

孔子说：“老好人是败坏道德的人。”

The opportunity does not go hand in hand, so when they come, you’d better hold them.

盈利和环境保护可以而且必须齐头并进。