rú / guǒ / bǎ / biàn / liàng / yí / dào / jú / bù / zuò / yòng / yù / zhī / wài / chéng / xù / jiù / kě / néng / wú / fǎ / zhèng / cháng / yùn / xíng

如果把变量移到局部作用域之外，程序就可能无法正常运行。

If the variable is moved outside the local scope, the program may not run properly.