A.It is only a small amount to pay for so much precious metal.B.It is difficult to judge the value of such an object.C.It is reasonable for an object with such an important function.D.It is too expensive for such a light metal.
A.It is only a small amount to pay for so much precious metal.
B.It is difficult to judge the value of such an object.
C.It is reasonable for an object with such an important function.
D.It is too expensive for such a light metal.