这涉及管理开发成本、操作成本、生产力，和市场中的产品功效。
These involve managing the cost of development, cost of operations, productivity, and product efficacy in the market.
这是保健相关产品，我们应该要诚实的阐述产品功效。
This is about a health care product. We need to be honest about the benefits.
产品功效越强大，越有针对性，我们就越得在孕期护肤计划中注意。
The more powerful and targeted products get, the more we need to be careful about what we have in our skin-care regimens during pregnancy.
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