Danny always said the best drivers focus only on the present, never dwelling on the past, never committing to the future.
句中“never dwelling on the past, never committing to the future”两个现在分词短语作为伴随状语，表示与主句的“focus only on the present（只关注当下）”同时发生，起到
补充说明的作用，所以dwell和commit需要使用-ing形式。
2. 词链儿：dwell on the past
沉溺于过去
→近义词链儿：stuck in the past/cling (on) to the past
I'd rather not dwell on the past.
我不想再沉湎于过去了。
There's little point in dwelling on the past.
踟蹰于过去没有意义。
→dwell on...
沉溺于......；踟蹰于...
There's no sense dwelling on our losses.
纠结于失去的，没有意义。
3. 词链儿：commit to the future
致力于未来；寄希望于将来
Many companies are now starting to commit to the future of the planet.
许多公司现在开始致力于地球的未来。
→commit to...
①投身于、致力于......
I'm sorry, but I can't commit myself to your project.
对不起，我无法投身参与你这个项目。
②进入婚姻、给予承诺
If you can't commit to me, then this relationship is over.
如果你无法给我承诺，那么这段关系就结束了。
③忠于......
He has not yet committed to any of the candidates.
他尚未表示支持任何一个候选人。
→commit v. 犯、做
commit suicide 自杀
commit a crime 犯罪
★影视原声视频：
Finally, they commit. They commit to the cause. They commit to the tribe. They commit to the people who are there.
最后，他们全心全意地投入。他们投入到事业中，他们投入到部落中。他们投入到部落的人们中。
《TED：Seth Godin 论部落领导新时代》
★影视原声视频：
Would you promise to stay, commit to serving me?
你会答应留下来，全心全意为我服务吗?
影视片段《星球大战：克隆人战争》
