1. A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing. 但是，自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。
2. For instance, new technologies that are building upon existing technology have not found their footing well enough to appeal to a mass audience. 例如，建立在现有技术基础上的新技术还没有建立足够的基础来吸引大众。
3. I slipped and struggled to regain my footing. 我滑了一下，但挣扎着站稳了脚跟。
4. The two groups must meet on an equal footing. 这两个集团必须以平等地位会谈。
5. The company is now on a sound financial footing. 该公司现在已是资金稳健。
