bottleneck

Từ điển Oxford Advanced Learner 8th

bottle·neck [bottleneck bottlenecks] BrE [ˈbɒtlnek] NAmE [ˈbɑːtlnek] noun
1. a narrow or busy section of road where the traffic often gets slower and stops
•He drove around the outside of the town to avoid the bottleneck in the centre.
•a traffic bottleneck
2. anything that delays development or progress, particularly in business or industry
Syn: ↑logjam
•to create/eliminate bottlenecks in the manufacturing process

Example Bank:
•Opponents argue that the traffic lights would cause a bottleneck at the junction.