She walks in beauty like the night,Of cloudless climes and starry skies;All that's best of dark and bright，Meet in her aspect and her eyes.

采矿业必须在不影响效率的情况下发展以满足可持续发展的需求。

"The past is a shadow that follows us, but it is the light ahead that guides our steps."

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

释义：只有连根拔除杂草，才能确保它不会再发芽生长。如果砍草时不除去根部，到了春天杂草还会再度生长。