Every experiment destroys some of the conditions under which it was begun.
每个实验都会破坏其开始时的某些条件。
关于我的建筑,唯一困扰我的是它们还不够好。
造纸行业有责任在环境管理方面引领潮流。
The bond market is the ultimate barometer of market confidence.
Curiosity and perseverance can change the world.