zhè xiàng / xīn jì shù / de / zhèng fǎn liǎng miàn / dōu / xū yào / jīng guò / cháng qī / guān chá / bù néng / jí zhe / xià jié lùn

这项新技术的正反两面都需要经过长期观察，不能急着下结论。

Both sides of this new technology need to be observed over the long term, so we should not rush to conclusions.