Men give up a part of their profits so as to increase the rest at their ease.
人们拿出他们的一部分收入换来更多舒适方便。
The devices of the invention increase ease of sample volume control and, hence, application thereof while minimizing any sample spillage or fluid migration up the side of the dispensing tip.
本发明的装置使使用者更加容易地控制试样体积并因而更加容易地控制试样的施加，并且同时可最小化任何的试样溢出或流体在分配尖端侧部上的迁移。
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