| 基石 | jī shí | foundation stone / cornerstone / (fig.) basis / foundation | ![]() |
| 要件 | yào jiàn | key document / important condition / criterion / requirement / requisite / cornerstone | ![]() |
| 中流砥柱 | zhōng liú dǐ zhù | mainstay / cornerstone / tower of strength | ![]() |
| 奠基石 | diàn jī shí | foundation stone / cornerstone | ![]() |
