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Firstly we study the growth of meromorphic solutions of linear difference equation of the form$$A_k\left(z\right)f(z+c_k)+\cdots +A_1\left(z\right)f(z+c_1)+A_0\left(z\right)f\left(z\right)=F\left(z\right),$$ where $A_k\left(z\right),...,A_0\left(z\right)$ and $F\left(z\right)$ are meromorphic functions of finite logarithmic order, $c_i$ $(i=1,...,k,k\in \mathbb{N})$ are distinct nonzero complex constants. Secondly, we deal with the growth of solutions of differential-difference equation of the form $$\sum _{i=0}^n\sum _{j=0}^m{A}_{ij}\left(z\right)f^{\left(j\right)}(z+c_i)=F\left(z\right),$$ where $A_{ij}\left(z\right)$ $(i=0,1,...,n,j=0,1,...,m,n,m\in \mathbb{N})$ and $F\left(z\right)$ are meromorphic functions of finite logarithmic order, $c_i$ $(i=0,...,n)$ are distinct complex constants. We extend some previous results obtained...