Question

用unless造句要难一点

Answer 1

Avoid sports drinks unless you're going for runs over 90 minutes.
尽量别喝运动饮料除非你打算跑超过九十分钟。

Japan won't declare someone missing unless they have been reported missing.
日本政府只有在接到失踪报告后才会认定某人失踪。

Answer 2

unless you study hard enough, you will fall in the math examination

Answer 3

1.
Unless some new laws of physics intervene, the matter will shrink down to a singular point.
除非有某些新的物理定律起作用，否则物质将一直收缩到奇点。
2.
You should be very careful about opening email attachments, unless they're from someone you know.
开启电邮附件必须十分小心，除非电邮是来自你认识的人。
3.
However, a man usually do not shake hand with a woman unless she offer her hand first.
可是如果女士不主动伸手男士一般不跟她握手。