如果经济学家能够使自己被认为是谦逊的，能干的，与牙医水平相当的人，这是好的。
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
Technology in forestry has evolved from chainsaws to satellites, but our responsibility remains the same.
The world is a stage, and we are all playing our parts.
Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.
