People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.
针对不同的情况采取不同的策略,针对不同的问题采取不同的解决方法,具体问题具体分析。
解释:曲子高妙,不是人人都能和唱;说出真相,不是人人都能相信。