这两个短语的基本意思都是一样的,只是使用的句式有所区别。
be
better
to
do
sth.常用代词it作形式主语;
would
better
do
sth.多用人作主语,主观意愿更强
be
better
to
do
sth.的意思是...做会要更好。。。通过某种方法做会要更好
比如:
it's
better
to
finish
homework
on
time.按时完成作业会要更好。
would
better
do
sth.才是“最好做某事”的意思,表示建议,语气强烈,通常省写为;'d
better
you'd
better
stay
at
home,
it's
raining
outside.你最好呆在家,外面在下雨。