文化生态学与人类生态学的不同之处在于它强调文化被修改的适应过程。
Every piece of plastic ever made still exists somewhere - that's not just a fact, it's our responsibility.
Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.
Sustainability isn't an option - it's our responsibility to future generations.