helpful-_unhelpful_有道手机词典

1.When our goals are blocked, we can respond in ways that are healthy and helpful, or we can react in ways that are unhealthy and unhelpful.
当我们的目标受阻时，我们可以以一种健康并且有益的方式应对，也可以以一种不健康的或者无益的方式面对。
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2.Classify all activities and materials you're using as either helpful, neutral or unhelpful in achieving your goal.
把所有的行为和你用到的资料分类为：有用的、中性的或者对达到目标没有帮助的。
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3.It is show that the medium artificial interferences to be helpful for herb layer renewing, but unhelpful for shrub layer.
说明人为中度干扰有利于草本层的更新，但是不利于灌木层的更新。
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