我觉得布什总统根本没有为艾滋病做任何事。事实上,我都不能确定他会不会拼艾滋这个单词。
The true cost of energy must account for both its production and its legacy.
The true value of a forest can never be measured in board feet alone.
解释:看见外表就可以知道内里,看见过去就可以知道未来。
You are never too old to set another goal or to dream a new dream.
科学是由人创造的,这是一个太过经常被遗忘的自明事实。