Gulp, Cannot read property 'apply' of undefined

gulp -v
CLI version 3.9.1
Local version 4.0.0
这里的CLI版本是什么意思？不懂？
但是npm上发布的gulp-cli的版本最新是2.0.0，执行gulp命令后才会出现下面的错误
在gulp的github的issue里找到解决方案是全局安装下gulp-cli:
npm i gulp-cli -g
错误消失

/usr/local/lib/node_modules/gulp/bin/gulp.js:129
    gulpInst.start.apply(gulpInst, toRun);
                  ^

TypeError: Cannot read property 'apply' of undefined
    at /usr/local/lib/node_modules/gulp/bin/gulp.js:129:19
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)
    at Module.runMain (module.js:607:11)
    at run (bootstrap_node.js:420:7)
    at startup (bootstrap_node.js:139:9)
    at bootstrap_node.js:535:3

Gulp, Cannot read property 'apply' of undefined

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