答：汉字与英语中的字母不是相同的概念，英语中的字母本身没有意义，但是很多汉字本身是有意义的。
Answer: Chinese characters are different from the letters in English. The letters in English mean nothing. It is, however, that many Chinese characters have meanings in themselves.
但即使那些来自日常语汇的科学概念，也可能和日常意义大不相同甚至相反，如不可见光、无意识动机、空间弯曲。
However, the concepts coming from everyday discourse will carry different meaning in scientific discourse, as clearly shown by invisible light, unconscious motivation and space warp.
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