Once they find people in need, they decide on suitable ways to help them.
他们需要找到人，一旦他们决定上合适的方法，帮助他们。
Well, once they find people in need, they decide on suitable ways to help them.
那么，一旦发现有需要的人，他们决定合适的方法来帮助他们。
2well, once they find people in deed, they decide on suitable ways to help them.
他们一旦发现有人需要帮助，就选定适当的方式来帮助他们。
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