常見例句雙語例句Theoretically, this file should be a carbon copy of guitars.xml, since no changes were made to the file in memory.理論上講，這個(gè)文件應(yīng)該是 guitars.xml 的完全複制，因爲(wèi)在內(nèi)存中沒有改變該文件。 返回 file carbon copy