Sustainability is no longer an option; it's a necessity for the future of leather tanning.
可持续性不再是一个选择;它是皮革鞣制未来的必要条件。
我不在乎过去,我在乎未来。
Mental processes are tools for mastering the environment.
旅行就是用双脚写作。
We are interested in the ordinary. We are interested in how you can take something that is very common and make it special.
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
The inflationary universe model provides a possible explanation for the origin of the universe.