tā / gěi / zì jǐ / liú hòu lù / suǒ yǐ / tóu zī / shí / méi yǒu / bǎ / suǒ yǒu / zī jīn / dōu / tóu rù / jìn qù

他给自己留后路，所以投资时没有把所有资金都投入进去。

He left himself an escape route, so he didn't put all his funds into the investment.