You have to be willing to adapt, or you'll be left behind.
你必须愿意适应,否则就会被抛在后面。
市场并不总是正确的,但它总是在那里。
愚昧是最大的罪行,没有之一。
A mathematician is a device for turning coffee into theorems.
What you actually pay for something is at least twice the listed price because of the energy, time, money needed to set it up, learn, maintain, repair, and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.
城市的穷人就像树的根;看不见,但对它的生命至关重要。
可持续性不仅仅是一个流行词,它是负责任林业的基础。我们必须在经济增长和环境管理之间取得平衡。