問題文
A change board reads two places in the same overview. The first notes that most of the software behind such networks is open in its source, so that anyone may read what its makers put out and build it anew, and asks what being open further permits. The second is the closing passage, which warns of a difficulty that arrives only after a network has been built and widely taken up. What does the overview say in each case?
選択肢
- What being open in its source further permits is to fashion a build apart from theirs that still works with the rest, and what may grow hard thereafter is the task of keeping its costs down once use is broad.
- What being open in its source further permits is to hide a build apart from theirs that the other machines never see, and what may grow hard thereafter is the task of keeping its costs down once use is broad.
- What being open in its source further permits is to hide a build apart from theirs that the other machines never see, and what may grow hard thereafter is the task of changing it once wide use has taken hold.
- What being open in its source further permits is to fashion a build apart from theirs that still works with the rest, and what may grow hard thereafter is the task of changing it once wide use has taken hold.