https://github.com/Vetur
预估各个功能模块要花的时间:
1.记录单词 2h
2.查询相同单词 4h
实际在各个功能模块所花时间:
1.记录单词 45min
2.查询相同单词 3h
结果
the 14
of 12
was 11
It 10
we 4
age 2
all 2
before 2
direct 2
epoch 2
for 2
going 2
had 2
in 2
its 2
period 2
season 2
times 2
us 2
were 2
authorities 1
being 1
belief 1
best 1
comparison 1
Darkness 1
degree 1
despair 1
everything 1
evil 1
far 1
foolishness 1
good 1
Heaven 1
hope 1
incredulity 1
insisted 1
Light 1
like 1
noisiest 1
nothing 1
on 1
only 1
or 1
other 1
present 1
received 1
short 1
so 1
some 1
spring 1
superlative 1
that 1
to 1
way 1
winter 1
wisdom 1
worst 1
原文：http://www.cnblogs.com/zhangzhil/p/5299149.html