1、productive

多產(chǎn)的；高產(chǎn)的

Training makes workers highly productive.

培訓(xùn)提高了工人們的生產(chǎn)力。

More productive farmers have been able to provide cheaper food.

農(nóng)民提高產(chǎn)量就能使食物更加便宜。

富有成效的；有益的

He was hopeful that the next round of talks would also be productive.

他對(duì)下一輪會(huì)談同樣富有成效滿懷希望。

I was sorry he had left, although I soon developed a productive relationship with his successors.

雖然我很快就和他的繼任者建立了良好的關(guān)系，但是我仍然對(duì)他的離開(kāi)感到遺憾。

創(chuàng)造…的；生產(chǎn)…的；產(chǎn)生…的

Land, labor and capital are all productive of wealth.

土地、勞動(dòng)和資本都能創(chuàng)造財(cái)富。

2、promise

承諾；保證；答應(yīng)

The post office has promised to resume first class mail delivery to the area on Friday.

郵局承諾于星期五恢復(fù)對(duì)這個(gè)地區(qū)第一類郵件的遞送。

He had promised that the rich and privileged would no longer get preferential treatment.

他已經(jīng)保證富人和特權(quán)階層不會(huì)再得到優(yōu)惠待遇。

答應(yīng)給予；承諾給予；保證讓…得到

In 1920 the great powers promised them an independent state.

1920年，列強(qiáng)承諾讓他們成為一個(gè)獨(dú)立的國(guó)家。

The officers promise a return to multiparty rule.

這些官員承諾恢復(fù)多黨統(tǒng)治。

（非常好的或成功的）希望，跡象，指望

The boy first showed promise as an athlete in grade school.

這個(gè)男孩在上小學(xué)的時(shí)候就初次顯示出成為運(yùn)動(dòng)員的潛力。