然而，如果你能事先有效率地筹划好你的旅游计划，上述这些就用不着担忧了。

This is needless worry, however, if travel plans are made early and organized efficiently.

youdao

然而，如果你能事先有效率地筹划好你的旅游计划，上述这些就用不着担忧了。

This is needless worry, however, if travel plans are made early and organized efficiently.

youdao