library(data.table)
library(forcats)
library(ggplot2)

md <- CJ(week = fct(c("Week 1", "Week 2", "Week 3")), 
         city = fct(c("卡達", "以色列", "黎巴嫩")), 
         role = fct(c("龐德", "伊森", "包恩")))

md$mission <- c(2, 2, 2, 1, 5, 2, 3, 1, 1, 1, 2, 2, 5, 4, 1, 5, 3, 0,
                2, 2, 0, 0, 0, 8, 5, 0, 0)


md |> 
  ggplot(aes(x = city, y = mission)) +
  geom_col(aes(fill = role)) +
  facet_wrap(~ week, strip.position = "bottom") +
  theme_minimal() +
  theme(text = element_text(size = 12, family = "Microsoft JhengHei"))

<!-- -->

^{Created on 2023-11-07 with [reprex v2.0.2](https://reprex.tidyverse.org)}