It would be a good idea to call before we leave.

　　我們出發之前打個電話是個好主意。

　　Our results should be a good approximation to the true state of affairs.

　　我們的結果應該和實際情況相當接近。

　　He would be a good father to my children.

　　對我的孩子們來說，他會是個好父親。

　　It might be a good idea to tell your husband.

　　告訴你的丈夫不失為上策。

　　It may also be a good move to suggest she talks things over

　　建議她把事情談開了也許是不錯的做法。