我们决不能由于耐药病原体的进一步传播而置这些收获于危险境地。
We must not let these gains be jeopardized by the further spread of drug-resistant pathogens.
蚂蚁从花朵中收获花粉时并不能保证一定可以产生异花授粉的效果：蚂蚁会爬到地面或其他植株上。
Cross-pollination isn't ensured when an ant picks up pollen off a pancake plant: The ant may then crawl to the ground or another species.
把妹达人们表示，虽然他们的技巧屡试不爽，但却并不能保证收获长远的恋情。
PUAs say that their techniques, though good, aren't a guarantee of long-term success in a relationship.
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