检验统计假设的问题由来已久，其起源已不可考。
La vie est un miroir: si tu y regardes en souriant, il te sourit en retour.
科学不仅是事实的集合，也是一种思维方式。
The most important thing in acting is honesty. If you can fake that, you've got it made.
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
The dairy industry must balance tradition with progress to stay relevant in a rapidly changing world.