臺灣籍旅美老師今天交給我們的句子是：

That allows them to track exactly how much customers are eating and how much is getting thrown away, and allows them to adjust menus based on what's popular, allowing them to plan ahead and put out what people are going to want, and in the right quantities.
這讓他們能夠掌握消費者究竟吃進了多少又剩下了多少，還能夠根據潮流實時調整菜單，并讓他們能夠事先規劃、推出顧客會想吃的餐點，而且份量剛剛好。

學習重點：

1.allow 使有可能；允許；準許；容許
allow (v.) 使有可能；允許；準許；容許

2.track 跟蹤；追蹤；記錄…的進展
track (v.) 跟蹤；追蹤；記錄…的進展
track (n.) 賽道；跑道、足跡；車轍 、一首歌；一支樂曲

3.adjust 調整；調節、整理（衣著）
adjust (v.) 調整；調節、整理（衣著）

4.quantity 量；數量；分量
quantity (n.) 量；數量；分量
quality (n.) 質量；品級；品質