可持續(xù)發(fā)展不再是可選項(xiàng)，而是任何負(fù)責(zé)任的采礦業(yè)務(wù)的必要條件。
She was becoming herself and daily casting aside that fictitious self which we assume like a garment with which to appear before the world.
The design of algorithms is both an art and a science.