我可以理解为什么旅行的概念对于内向者似乎是沉重的——毕竟，人们对旅行的刻板形象通常是年轻，无忧无虑的派对类型。

I can understand why the concept of travel can seem daunting to you fellow introverts - after all, the stereotypical image of someone that travels is the young, carefree, party type.

youdao

狗狗们似乎很幸福，无忧无虑的样子，不知它们是否也有烦恼，或者它们知道什么是烦恼吗？

Dogs look very happy and worriless. I wonder whether they also have troubles, or whether they know what worries are?

youdao

他似乎是一个无忧无虑的人。

He seemed to be a man without a care.

youdao