The secret of the effect is not actually abstruse, the tile is one of apian brand, important still depend on using.
其实效果的秘密并不深奥，磁砖是蜜蜂品牌中的一款，重要的还在于使用。
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Decades ago, when there were fewer almonds, farmers could rely on pollination just from the beekeepers who live in the Central Valley. Now, they have to import migrant apian Labour.