The entire universe of things that could be tested is typically too large to be covered within a given schedule, even more when multiple features are combined and the permutation grows exponentially.
This seemingly irrational line has been repeated in every possible permutation, on every possible occasion, e.g. "What big brother is reading not a book, but loneliness."
这句看上去很无厘头的话被用在了所有场合下的所有可能搭配的排列中，比如，“哥看的不是书，是寂寞。”
3
To figure out what file is being compiled for each browser permutation, take a peek into the.nocache.js file and look for a section of code that looks similar to the code shown in Listing 16.