One criticism leveled at advanced market commitments (AMCs), as the purchase commitments are now called, is that they would encourage industry to dust off abandoned, mediocre vaccine candidates.

的购买承诺，将鼓励 制药业使用那些被抛弃、较为次等的候补疫苗。

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Purchase order and delivery management to meet our commitments.

采购订单和交付管理，以满足我们的承诺。

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In fact, with so many of us are caught in a whirlwind of activities and commitments, finding a quiet moment can take more effort than a quick purchase.

事实上，大部分人都陷在活动和承诺的旋涡中，而找到一个安静的时间却比迅速的购物要费事的多。

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And sometimes the rich are flown offshore with no purchase commitments at all.

FORBES: Chinese Shunning Luxury Stores At Home, Buying Abroad

As long as you are selling to homo-sapiens, the fundamental motivations to buy and the skills to obtain purchase commitments will remain the same.

FORBES: Sales vs. Marketing -- Marketing Always Changes

Many governments (including Nigeria's and Libya's) cancelled their informal commitments to purchase the machines when they realised the devices were untried, the price higher than envisaged and other cheap laptops available.

ECONOMIST: Great idea. Shame about the mediocre computer