For clues to the book's future, let's look at some examples of technological change and see what happened to the old technology.
出自-2014年6月閱讀原文
Herpin offered the only clue to his condition.
出自-2014年6月聽力原文
This experiment certainly does not definitely prove that girls start to reason before boys, but it provides a clue that scientists would like to study more carefully.
出自-2012年12月聽力原文
Most ground surveys involve a lot of walking, looking for surface clues such as small fragments of pottery.
出自-2014年考研閱讀原文
You infer information you feel the writer has invited you to grasp by presenting you with specific evidence and clues.
出自-2015年考研閱讀原文
If you are unfamiliar with words or idioms, you guess at their meaning, using clues presented in the contest.