开始时有一点差错,结果会造成极大的错误。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
我只是一个追随自己梦想的加拿大孩子。
质量安全是水产品的生命线,我们必须严把质量关。
No one is free, even the birds are chained to the sky.