都可以,不过应该是suitable, 举两个例子:Which field is Python suitable to do some tasks?Python is entirely suitable for doing physics computations
后者,但是不是suitble拼写错误,suit
按语法来说都可但用后者强调动作,前者一般后跟名词
be suitable for 是一个固定搭配:"合适的"应该是前面的.