Borderless
a. 无边界的
🗣️ 情景例句
They're still open?
他们现在还开着吗？
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
while our own compulsory school attendance became law in Germany in 1642,
而我们的义务教育成为法律在德国是在1642年，