Agar is so critical that since WWII, scientists have tried to find alternatives in the event of a supply chain breakdown, especially as recent shortages have caused similar alarm. But while other colloid jellies have emerged, agar remains integral to laboratory protocols because no alternatives can yet compete on performance, cost, and ease of use.
'Cruel' passport rule stops woman seeing dying mum
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港交所2025年净赚177.5亿港元
过去,“零负团费”模式迫使导游成为销售员,损害了游客体验与行业声誉。携程力推的“大团变小团”变革,通过定制游、私家团等产品,将市场导向服务与体验的竞争。
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