我已经掌握了很多背景信息，但他的讲座仍然很有价值。

I already had a lot of background information, but his lecture was valuable ___nevertheless.

你建议的两个城市听起来都很有吸引力。不过，我认为沿海的那个能提供更放松的体验。

The two cities you suggested both sound appealing. ___Nevertheless, I believe the coastal one offers a more relaxing experience.

天气预报预测我们徒步旅行那天会下雨；尽管如此，我们还是决定出发。

The weather forecast predicted rain for our hike; we decided to go ___nevertheless.