We are the product of our evolutionary past.

Sustainable development is not an option, but a necessity for the coal sector.

你先喝一杯，然后酒喝一杯，然后酒把你带走。

过去总是与我们同在，因为它滋养着现在。

Diversification is the only free lunch in finance.

In examinations the foolish ask questions that the wise cannot answer.