Understanding the genetic code has opened up new avenues for medical research and biotechnology.
大多数反对自由市场的论点背后,是对自由本身缺乏信念。
心理学必须基于直接经验,而非推论。
Difficult circumstances serve as a textbook of life for people.
A balcony or porch needs to be at least 6 feet (2m) deep or it won’t be used.