理论与实践必须相结合
Theory and practice must be combined
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我们必须把理论与实践相结合是个重要的原则。
It is an essential principle that we must combine theory with practice.
youdao
我们必须把理论与实践相结合，这是一个重要的原则。
That we must combine theory with practice is an important principle.
必须理论与实践相结合以达到教学目标。
The teaching goal is reached by the method of combining theory with practice.
应用推荐
模块上移
模块下移
不移动