Tour highlights include the Roman city of Dougga, the underground Numidian capital at Bulla Regia, Roman Sbeitla and the remote areas around Tataouine and Matmata, uique for underground cities.
2
档位问题解决了,但是来到山脚下首先应该做什么呢?
So you have the gears sorted, but what should you do at the bottom of the hill?
3
这种情况下首先要查看(3)的细节,然后是(4)和(2)。
In this case, look at the details of (3) first and then (4) and then (2).