Selenium 单击并打印我需要的元素后，等待元素可见

我想在单击并打印我需要的元素后等待该元素可见。但除非我利用时间，否则它不会等待。我想用

WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, 'tbody')))

为了效率

请帮忙

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
import time
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.common.exceptions import TimeoutException


driver = webdriver.Chrome(executable_path=r"C:\Users\Kim woo jae\PycharmProjects\100개 키워드\chromedriver.exe")

ky = '화장대','침대', '고기'
for k in ky:
    driver.get("http://whereispost.com/seller/")
    box = driver.find_element_by_xpath('//*[@id="keyword"]')
    box.clear()
    box.send_keys(k)
    box.submit()
    wait = WebDriverWait(driver, 20)
    b = wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, 'tbody')))
    print(b.text)

这是我想要使用的代码。但它并不等待元素可见

driver = webdriver.Chrome(executable_path=r"C:\Users\Kim woo jae\PycharmProjects\100개 키워드\chromedriver.exe")

ky = '화장대','침대', '고기'

for k in ky:
    driver.get("http://whereispost.com/seller/")

    box = driver.find_element_by_xpath('//*[@id="keyword"]')
    box.clear()
    box.send_keys(k)
    box.submit()
  **time.sleep(3)**
    wait = WebDriverWait(driver, 20)
    b = wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, 'tbody')))
    print(b.text)

---

如果我加上睡眠时间（3），效果很好。但如果元素已经可见，我不想等待3秒钟

t身体总是在那里；在您进行搜索之前，它是空的

driver = webdriver.Chrome(executable_path=r"C:\Users\Kim woo jae\PycharmProjects\100개 키워드\chromedriver.exe")

ky = '화장대','침대', '고기'

for k in ky:
    driver.get("http://whereispost.com/seller/")

    box = driver.find_element_by_xpath('//*[@id="keyword"]')
    box.clear()
    box.send_keys(k)
    box.submit()
  **time.sleep(3)**
    wait = WebDriverWait(driver, 20)
    b = wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, 'tbody')))
    print(b.text)

尝试在
t正文
中等待一些结果，例如：

wait = WebDriverWait(driver, 20)
b = wait.until(EC.visibility_of_element_located((By.XPATH, '//tbody//tr')))

谢谢你的编辑，这是我第一次在这里提问^^