约定购买某物 place an order for sth
定购某物
Order something
以上为机器翻译结果，长、整句建议使用 人工翻译 。
人们在决定购买某物前，通常想要实际试试鞋或衣服，研究电视的画面质量或实际把玩一下不同款的平板电脑或笔记本电脑。
People often want to try on shoes or clothing, study the picture quality of a television, or play around with a few different tablets and laptops before they settle on something.
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