When you're not from here, it's hard to get a grasp of it.

如果你不是本地的，就很难了解这种感觉。

The mechanical clock, spectacles, advances in navigation, a grasp of tides and currents-these were among the achievements of the Middle Ages.

机械钟、眼镜、航海技术的进步、对潮汐和水流的掌握，都是中世纪的成就。

And so I'm on my way to getting a grasp of the language, I'm on my way to acquiring words, the ultimate goal, if we use again LingQ as the example is that the whole lesson page will be white.

所以我在掌握这门语言的道路上，我在学习单词的道路上，如果我们再以 LingQ 为例，最终目标是整个课程页面都是白色的。