Upper bound symbol
[计] 上界符号
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
bound
[baʊnd]
vi. 跳，弹跳;限制;接壤;
vt. 给…划界，限制;使弹回，使跳跃;束缚;
n. 界限，限制;跃起;（球等的）反跳;
adj. 用带子绑住的;有义务的;装订的，有封面的;[化，物]结合的;
bound(to bind)→装订好的；必定；决心的；被束缚的
🗣️ 情景例句
Would you like to sign the contract now?
你现在要签这合同吗？
That would be the responsibility of the buyer. We are prepared, however, to provide all the documentation costs.
那是属于买方的责任，我们仅承担提供所有文件的费用。
And mine.
我也是