Preblem
问题,难题,问题
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
Will you introduce me to the new purchasing agent?
请替我引介新来负责采购的人好吗？