optional extra造句

The car radio is an optional extra.

The cassette player is an optional extra in this make of car.

Added optional extra argument to gmp_init(). The extra argument indicates which number base gmp should use when converting a string to the gmpnumber.

The cassette player is an optional extra in this make of car, ie It will cost extra if one chooses to have it.

So, in terms of practicing this weekend, I mentioned that instead of getting a problem-set today, what I am going to be Posting is optional extra problems.

The integrated child seat in the Passat has been awarded a prize by the German motorist association ADAC and is available as an optional extra for 255 euros (two seats for 445 euros).