Bottlenecks
n. 瓶頸( bottleneck的名詞復數 ); 瓶頸路段（常引起交通堵塞）; （尤指工商業發展的）瓶頸; 阻礙
??? 情景例句
Yes. It's a lovely day and good enough to travel.
是的，天氣很好，旅游是再好不過了。
As you make your bed so you must lie on it.
自食其果。
Yes, it's empty. Look!
是的，你看，是空的。