A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
采石业的创新不仅关乎新机械,更在于重新构想我们与土地及社区的互动方式。
所有行为都是由某种形式的驱力减少所驱动的。
如果你都不相信自己,没人会相信你。