Responsible mining is not an option, it's an obligation we owe to our planet and future generations.
负责任的采矿不是一种选择，而是我们对地球和后代应尽的义务。
Hold to the now, the here, through which all future plunges to the past.
The only limit to our realization of tomorrow is our doubts of today.
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
真正的挑战不在于解方程，而在于理解解的含义。
一本好的绘本会给读者的想象力留下成长的空间。