The store is at a terrible location with hardly any foot traffic.好的動線就是 good / great / smooth traffic flow
(這家店的位置很不理想, 幾乎沒有什麼人經過)
An important part of interior design is making sure there is good traffic flow.但是在單獨指某一個地方或和某一樣東西有關的動線時, 它又變成可數名詞
The living room has a smooth traffic flow.
The restaurant has a poor traffic flow.
The design allows (a) smooth traffic flow into the living room.如果要講某個東西妨礙了動線, 動詞要用 interrupt 這個字
The coffee table interrupts the traffic flow into the living room.
The food stands interrupt the traffic flow around the stadium.
(小吃攤妨礙了體育場周圍的動線)