既然现在说到的是这个形式你已经确定了，首先是换机油的形式，然后是买赠的

Now that it comes to this form it is that you have identified, first in the form of an oil change, then buy gifts in the form. You also want to be able to let the oil plant, it is a gift from the oil factory. Guests can benefit, and then 4S shop, can benefit, because more customers will come to your side oil change, you will receive some of the labor costs.

Now that we're talking about this form you've identified, first in the form of oil change, then in the form of buy-to-let. You also hope that the oil plant can make profit, the gift is made by the oil plant out. Guests can get the benefit, and then 4S shop, also can get the benefit, because the customer will come to your side to change the oil, you will charge some labor fee.

Now that you've decided on this form, first the form of oil change, and then the form of purchase and gift. You also hope that the engine oil factory can make profits. The gift is from the engine oil factory. The customer can get benefits, and then the 4S shop can also get benefits, because the customer will come to you to change the oil, and you will charge some labor fees.