The player can sell unused items to the vendor NPCs to free up space in the backpack and to earn the gold required to buy the items offered by the various vendors.

玩家可以出售闲置物品供应商NPC自由的空间，在背包和赚取要求购买由不同的供应商提供的项目金。

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In England it is hard even to imagine such an atmosphere. Everyone is free in England; we sell our souls in public and buy them back in private, among our friends.

在英国，人人都很自由，我们在公共场合出卖自己的灵魂，但可以在私底下、同朋友字啊一起的时候，将之赎回来。

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Mr. Forester was free to 'time' the market, which simply means he was able to sell when things were getting too expensive for his tastes, and to buy when they got cheaper.

福雷斯特可以自主把握市场时机，也就是说，他可以在自己认为资产估值过高时抛售，待价格下降后再买进。

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However, fans are still free to buy and sell wherever they like, and clearly do so in great numbers.

FORBES: Why StubHub Dominates The Secondary Ticket Market

Instead of competing against each other for used-game stock or having to price used games competitively enough to prevent customers from going to Electronics Boutique, the combined company was now free to set buy and sell prices with little competitor constraint.

FORBES: Nobody Can Stop Game Stop

The potential impact of these adjustments is considerable, because investors will want to sell firms with a low free-float and buy those with a high one.

ECONOMIST: Fund management