Plan, plan, plan and plan again. Decide in advance, for instance, which products each additional item can be related to.
计划、计划、计划、还是计划。预先决定，例如，附加商品可以与哪款产品联系起来。
2
Alternatively, if the seller has set a minimum sale price in advance (the 'reserve' price) and the final bid does not reach that price the item remains unsold.
或者，如果卖家已经提前设定了最低售价(“保留价”)，而最终的竞价没有达到这个价格，拍卖品则不出售。
3
Decide in advance, for instance, which products each additional item can be related to.