well-defined goal的用法和样例：
例句
- Furthermore, kiosk users will either have one very specific goal in mind when approaching a kiosk or no readily definable goal at all.
而且信息亭使用者要么在使用前已经有了具体的目标，要么完全没有明确的目标。 - As long as you have defined goals and track ecommerce transactions, you can use the metrics on the Goal Conversion and Ecommerce tabs to assess the performance of any campaign.
只要您有明确的目标和跟踪电子商务交易中，您可以使用数据转换的目标和电子商务的标签，以评估执行情况的任何活动。
