A combination of these can be used and sometimes is used in the same campaign.
在同—推销活动中，多种手段可以结合使用，有时也确实结合使用。
A combination of these can be used and sometimes is used in the same campaign.
在同-推销活动中，多种手段可以结合使用，有时也确实结合使用。
High energy and protein biscuits are also used sometimes early in the program.
高能量和蛋白质的点心有时也应在计划一开始时就用到。
High energy and protein biscuits are also used sometimes early in the program.
高能量和蛋白质的点心有时也应在计划一开始时就用到。
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