The key factors for most parents when considering a second child are the quality of schools, baby products, living environment and access to medical facilities.

大多数父母考虑二胎时的主要因素就是学校质量，婴儿用品，生活环境和医疗设施。

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Some of the second-hand products are of inferior quality or just fake goods that are brought from the unscrupulous businessmen.

有些二手商品非常劣质，或有些根本就是从无良商家那里买来的伪劣产品。

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Studies and improvement on the process and equipment of second hards, for enhancing the quality of the products.

针对亚麻二粗生产工艺及设备进行深入研究和改进，使亚麻二粗产品的质量得到很大提高。

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Second, to this very point of creating real value, the quality of much of the online learning products and services (from content to learning management systems and on and on) is frankly all over the place.

FORBES: Is There a K-12 Online Learning 'Bubble'?