Combinatorics
n. 组合学,组合数学
🗣️ 情景例句
Everything will fall into place.
事情该怎样，就会怎样。
The secret of wealth lieth in the letters SAVE.
节俭是致富的秘诀。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。