The past is a foreign country; they do things differently there.
过去是一个陌生的国家;他们在那里做事的方式不同。
Complacency is the enemy of progress in medicine.
The most sustainable aquaculture operations are those that mimic nature.
解释:不谦让, 就会不团结; 不团结, 就不可以出师远征。
有时候,最英勇的行为仅仅是生存下来。