在学习化学的过程中，总结规律要严谨、全面、科学。写出下列排列中的规律。

    Do I like to shop? Of course!  It's fun. Whenever I have free time, I go shopping. There is always something to buy—shoes, clothes, bags, books, etc.

                                                                      --Eileen

    I'm always shopping for my two daughters. Delia, my two-year-old daughter, often needs clothes or shoes. Jodie, my ten-year-old daughter, needs things for school. Do I ever shop for myself? Who has time? Is it fun? No way!

                                                                         Jane

    I don't care about clothes and luckily, I don't need to shop for my food. The only kind of thing I need to buy myself is about music.

                                                                         Nigel

    I like spending my flee time on something fun. To me, shopping is a necessity, not a pleasure (乐趣). I would like to dance, talk with my friends or play chess in my free time. I only shop when I have to.

                                                                         Louis

根据材料内容选择最佳答案。

《送杜少府之任蜀州》中表达作者对朋友，也是对自己的叮咛的句子是：____，____。