设想自己口齿清晰和充满信心地演讲是很有助益的。
It can help to visualize yourself making your speech clearly and confidently.
当你身处特定境况，让你生气而你需要决定采取何种方法时，五步法是很有助益的。
The five-step approach is good when you're in a particular situation that's got you mad and you need to decide what action to take.
她在这些讨论中提供的专家建议很有助益。
Her specialist input to the discussions has been very useful.
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