godsend：天賜之物。

A godsend for those who missed the live session

synonym：代名詞 后面跟for 同義詞byword

A synonym for innovation

Passport; 通行證 同義詞ticket key

The passport to a better life/success/prosperity

shift: a shift in public

A shift in opinion/strategy/personal finiance focus

The shift from desktop to personal computer

Labor-intensive economy to knowledge-intensive economy

backbone：勇氣毅力 支柱

enough backbone to take this challenge