As you can see,big S and small S have many things 这里应该是in commen我知道,写the same 行不行呀Sometimes taking a train is dangerous,however,taking a plane is much s

As you can see,big S and small S have many things 这里应该是in commen我知道,写the same 行不行呀
Sometimes taking a train is dangerous,however,taking a plane is much s

in the same way.