Ignorance is bliss
無知便是福
?? 詞語組成解析
is
[?z]
vt.& vi. 是（be的三單形式;
n. 存在;
bliss
[bl?s]
n. 極樂;天賜的福;幸福無比;狂喜;
vt. 使欣喜若狂，使狂喜;
vi. 欣喜若狂，狂喜;
??? 情景例句
You'll never be in shape until you eat less and exercisemore.
只有少吃多鍛煉才能健美。
You are probably right.
你也許是對的。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，從月球到地球的25萬英里所消耗的能量要比從地球表面進(jìn)入地球軌道的200英里所耗能量少97%。